diff --git a/src/loc/lcl/chs/diagnosticMessages/diagnosticMessages.generated.json.lcl b/src/loc/lcl/chs/diagnosticMessages/diagnosticMessages.generated.json.lcl
index 2ab6f838ccd..03965fb2b07 100644
--- a/src/loc/lcl/chs/diagnosticMessages/diagnosticMessages.generated.json.lcl
+++ b/src/loc/lcl/chs/diagnosticMessages/diagnosticMessages.generated.json.lcl
@@ -141,48 +141,33 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol_1166" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_a_class_property_declaration_must_refer_to_an_expression_whose_type_is_a_1166" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in a class property declaration must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[类属性声明中的计算属性名必须直接引用内置符号。]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in a class property declaration must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol_1168" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_a_method_overload_must_refer_to_an_expression_whose_type_is_a_literal_ty_1168" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in a method overload must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[方法重载中的计算属性名必须直接引用内置符号。]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol_1170" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_a_type_literal_must_refer_to_an_expression_whose_type_is_a_literal_type__1170" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in a type literal must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[类型文本中的计算属性名必须直接引用内置符号。]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol_1165" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_an_ambient_context_must_refer_to_an_expression_whose_type_is_a_literal_t_1165" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in an ambient context must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[环境上下文中的计算属性名必须直接引用内置符号。]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in an ambient context must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol_1169" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_an_interface_must_refer_to_an_expression_whose_type_is_a_literal_type_or_1169" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in an interface must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[接口中的计算属性名必须直接引用内置符号。]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -519,6 +504,18 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";A_property_of_a_class_whose_type_is_a_unique_symbol_type_must_be_both_static_and_readonly_1331" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[A property of a class whose type is a 'unique symbol' type must be both 'static' and 'readonly'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";A_property_of_an_interface_or_type_literal_whose_type_is_a_unique_symbol_type_must_be_readonly_1330" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[A property of an interface or type literal whose type is a 'unique symbol' type must be 'readonly'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";A_required_parameter_cannot_follow_an_optional_parameter_1016" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[A required parameter cannot follow an optional parameter.]]></Val>
@@ -765,6 +762,12 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";A_variable_whose_type_is_a_unique_symbol_type_must_be_const_1332" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[A variable whose type is a 'unique symbol' type must be 'const'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";A_yield_expression_is_only_allowed_in_a_generator_body_1163" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[A 'yield' expression is only allowed in a generator body.]]></Val>
@@ -2577,6 +2580,12 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Duplicate_declaration_0_2718" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Duplicate declaration '{0}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Duplicate_function_implementation_2393" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Duplicate function implementation.]]></Val>
@@ -2925,12 +2934,9 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Expected_0_arguments_but_got_a_minimum_of_1_2556" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";Expected_0_arguments_but_got_1_or_more_2556" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Expected {0} arguments, but got a minimum of {1}.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[应有 {0} 个参数，但获得最小值 {1} 个。]]></Val>
-          </Tgt>
+          <Val><![CDATA[Expected {0} arguments, but got {1} or more.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -2961,12 +2967,9 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Expected_at_least_0_arguments_but_got_a_minimum_of_1_2557" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";Expected_at_least_0_arguments_but_got_1_or_more_2557" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Expected at least {0} arguments, but got a minimum of {1}.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[应有至少 {0} 个参数，但获得最小值 {1} 个。]]></Val>
-          </Tgt>
+          <Val><![CDATA[Expected at least {0} arguments, but got {1} or more.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -4122,6 +4125,15 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";JSDoc_may_only_appear_in_the_last_parameter_of_a_signature_8028" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[JSDoc '...' may only appear in the last parameter of a signature.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[JSDoc "..." 可能仅出现在签名的最后一个参数中。]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";JSDoc_param_tag_has_name_0_but_there_is_no_parameter_with_that_name_8024" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[JSDoc '@param' tag has name '{0}', but there is no parameter with that name.]]></Val>
@@ -4491,6 +4503,18 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Method_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2_4101" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Method '{0}' of exported interface has or is using name '{1}' from private module '{2}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Method_0_of_exported_interface_has_or_is_using_private_name_1_4102" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Method '{0}' of exported interface has or is using private name '{1}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Modifiers_cannot_appear_here_1184" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Modifiers cannot appear here.]]></Val>
@@ -5634,6 +5658,24 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Public_method_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4098" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public method '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Public_method_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4099" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public method '{0}' of exported class has or is using name '{1}' from private module '{2}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Public_method_0_of_exported_class_has_or_is_using_private_name_1_4100" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public method '{0}' of exported class has or is using private name '{1}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_name_4029" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Public property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named.]]></Val>
@@ -5661,6 +5703,24 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Public_static_method_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_4095" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public static method '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Public_static_method_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4096" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public static method '{0}' of exported class has or is using name '{1}' from private module '{2}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Public_static_method_0_of_exported_class_has_or_is_using_private_name_1_4097" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public static method '{0}' of exported class has or is using private name '{1}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot__4026" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Public static property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named.]]></Val>
@@ -6447,6 +6507,12 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Subsequent_property_declarations_must_have_the_same_type_Property_0_has_type_1_at_2_but_here_has_typ_2717" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Subsequent property declarations must have the same type.  Property '{0}' has type '{1}' at {2}, but here has type '{3}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Subsequent_variable_declarations_must_have_the_same_type_Variable_0_has_type_1_at_2_but_here_has_typ_2403" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Subsequent variable declarations must have the same type.  Variable '{0}' has type '{1}' at {2}, but here has type '{3}'.]]></Val>
@@ -6669,12 +6735,9 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary_2527" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";The_inferred_type_of_0_references_an_inaccessible_1_type_A_type_annotation_is_necessary_2527" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[The inferred type of '{0}' references an inaccessible 'this' type. A type annotation is necessary.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[“{0}”的推断类型引用不可访问的 "this" 类型。需要类型批注。]]></Val>
-          </Tgt>
+          <Val><![CDATA[The inferred type of '{0}' references an inaccessible '{1}' type. A type annotation is necessary.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -8724,6 +8787,24 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";unique_symbol_types_are_not_allowed_here_1335" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['unique symbol' types are not allowed here.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";unique_symbol_types_are_only_allowed_on_variables_in_a_variable_statement_1334" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['unique symbol' types are only allowed on variables in a variable statement.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";unique_symbol_types_may_not_be_used_on_a_variable_declaration_with_a_binding_name_1333" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['unique symbol' types may not be used on a variable declaration with a binding name.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";with_statements_are_not_allowed_in_an_async_function_block_1300" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA['with' statements are not allowed in an async function block.]]></Val>
diff --git a/src/loc/lcl/cht/diagnosticMessages/diagnosticMessages.generated.json.lcl b/src/loc/lcl/cht/diagnosticMessages/diagnosticMessages.generated.json.lcl
index b840d498fc5..425b451c38c 100644
--- a/src/loc/lcl/cht/diagnosticMessages/diagnosticMessages.generated.json.lcl
+++ b/src/loc/lcl/cht/diagnosticMessages/diagnosticMessages.generated.json.lcl
@@ -141,48 +141,33 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol_1166" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_a_class_property_declaration_must_refer_to_an_expression_whose_type_is_a_1166" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in a class property declaration must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[類別屬性宣告中之計算的屬性名稱，必須直接參考內建符號。]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in a class property declaration must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol_1168" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_a_method_overload_must_refer_to_an_expression_whose_type_is_a_literal_ty_1168" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in a method overload must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[方法多載中之計算的屬性名稱，必須直接參考內建符號。]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol_1170" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_a_type_literal_must_refer_to_an_expression_whose_type_is_a_literal_type__1170" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in a type literal must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[類型常值中之計算的屬性名稱必須直接參考內建符號。]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol_1165" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_an_ambient_context_must_refer_to_an_expression_whose_type_is_a_literal_t_1165" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in an ambient context must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[環境內容中之計算的屬性名稱必須直接參考內建符號。]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in an ambient context must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol_1169" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_an_interface_must_refer_to_an_expression_whose_type_is_a_literal_type_or_1169" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in an interface must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[介面中之計算的屬性名稱必須直接參考內建符號。]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -519,6 +504,18 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";A_property_of_a_class_whose_type_is_a_unique_symbol_type_must_be_both_static_and_readonly_1331" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[A property of a class whose type is a 'unique symbol' type must be both 'static' and 'readonly'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";A_property_of_an_interface_or_type_literal_whose_type_is_a_unique_symbol_type_must_be_readonly_1330" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[A property of an interface or type literal whose type is a 'unique symbol' type must be 'readonly'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";A_required_parameter_cannot_follow_an_optional_parameter_1016" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[A required parameter cannot follow an optional parameter.]]></Val>
@@ -765,6 +762,12 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";A_variable_whose_type_is_a_unique_symbol_type_must_be_const_1332" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[A variable whose type is a 'unique symbol' type must be 'const'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";A_yield_expression_is_only_allowed_in_a_generator_body_1163" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[A 'yield' expression is only allowed in a generator body.]]></Val>
@@ -2577,6 +2580,12 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Duplicate_declaration_0_2718" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Duplicate declaration '{0}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Duplicate_function_implementation_2393" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Duplicate function implementation.]]></Val>
@@ -2925,12 +2934,9 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Expected_0_arguments_but_got_a_minimum_of_1_2556" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";Expected_0_arguments_but_got_1_or_more_2556" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Expected {0} arguments, but got a minimum of {1}.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[應有 {0} 個引數，但得到最小值 {1} 個。]]></Val>
-          </Tgt>
+          <Val><![CDATA[Expected {0} arguments, but got {1} or more.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -2961,12 +2967,9 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Expected_at_least_0_arguments_but_got_a_minimum_of_1_2557" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";Expected_at_least_0_arguments_but_got_1_or_more_2557" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Expected at least {0} arguments, but got a minimum of {1}.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[至少應有 {0} 個引數，但得到最小值 {1} 個。]]></Val>
-          </Tgt>
+          <Val><![CDATA[Expected at least {0} arguments, but got {1} or more.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -4122,6 +4125,15 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";JSDoc_may_only_appear_in_the_last_parameter_of_a_signature_8028" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[JSDoc '...' may only appear in the last parameter of a signature.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[JSDoc '...' 只能出現在特徵標記的最後一個參數中。]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";JSDoc_param_tag_has_name_0_but_there_is_no_parameter_with_that_name_8024" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[JSDoc '@param' tag has name '{0}', but there is no parameter with that name.]]></Val>
@@ -4491,6 +4503,18 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Method_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2_4101" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Method '{0}' of exported interface has or is using name '{1}' from private module '{2}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Method_0_of_exported_interface_has_or_is_using_private_name_1_4102" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Method '{0}' of exported interface has or is using private name '{1}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Modifiers_cannot_appear_here_1184" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Modifiers cannot appear here.]]></Val>
@@ -5634,6 +5658,24 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Public_method_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4098" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public method '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Public_method_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4099" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public method '{0}' of exported class has or is using name '{1}' from private module '{2}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Public_method_0_of_exported_class_has_or_is_using_private_name_1_4100" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public method '{0}' of exported class has or is using private name '{1}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_name_4029" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Public property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named.]]></Val>
@@ -5661,6 +5703,24 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Public_static_method_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_4095" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public static method '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Public_static_method_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4096" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public static method '{0}' of exported class has or is using name '{1}' from private module '{2}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Public_static_method_0_of_exported_class_has_or_is_using_private_name_1_4097" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public static method '{0}' of exported class has or is using private name '{1}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot__4026" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Public static property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named.]]></Val>
@@ -6447,6 +6507,12 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Subsequent_property_declarations_must_have_the_same_type_Property_0_has_type_1_at_2_but_here_has_typ_2717" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Subsequent property declarations must have the same type.  Property '{0}' has type '{1}' at {2}, but here has type '{3}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Subsequent_variable_declarations_must_have_the_same_type_Variable_0_has_type_1_at_2_but_here_has_typ_2403" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Subsequent variable declarations must have the same type.  Variable '{0}' has type '{1}' at {2}, but here has type '{3}'.]]></Val>
@@ -6669,12 +6735,9 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary_2527" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";The_inferred_type_of_0_references_an_inaccessible_1_type_A_type_annotation_is_necessary_2527" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[The inferred type of '{0}' references an inaccessible 'this' type. A type annotation is necessary.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA['{0}' 的推斷類型參考了無法存取的 'this' 類型。必須要有類型註釋。]]></Val>
-          </Tgt>
+          <Val><![CDATA[The inferred type of '{0}' references an inaccessible '{1}' type. A type annotation is necessary.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -8724,6 +8787,24 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";unique_symbol_types_are_not_allowed_here_1335" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['unique symbol' types are not allowed here.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";unique_symbol_types_are_only_allowed_on_variables_in_a_variable_statement_1334" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['unique symbol' types are only allowed on variables in a variable statement.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";unique_symbol_types_may_not_be_used_on_a_variable_declaration_with_a_binding_name_1333" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['unique symbol' types may not be used on a variable declaration with a binding name.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";with_statements_are_not_allowed_in_an_async_function_block_1300" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA['with' statements are not allowed in an async function block.]]></Val>
diff --git a/src/loc/lcl/ita/diagnosticMessages/diagnosticMessages.generated.json.lcl b/src/loc/lcl/ita/diagnosticMessages/diagnosticMessages.generated.json.lcl
index c4de80ab4c8..3a589da079d 100644
--- a/src/loc/lcl/ita/diagnosticMessages/diagnosticMessages.generated.json.lcl
+++ b/src/loc/lcl/ita/diagnosticMessages/diagnosticMessages.generated.json.lcl
@@ -141,48 +141,33 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol_1166" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_a_class_property_declaration_must_refer_to_an_expression_whose_type_is_a_1166" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in a class property declaration must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[Un nome di proprietà calcolato in una dichiarazione di proprietà di classe deve fare riferimento direttamente a un simbolo predefinito.]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in a class property declaration must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol_1168" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_a_method_overload_must_refer_to_an_expression_whose_type_is_a_literal_ty_1168" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in a method overload must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[Un nome di proprietà calcolato in un overload di metodo deve fare riferimento direttamente a un simbolo predefinito.]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol_1170" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_a_type_literal_must_refer_to_an_expression_whose_type_is_a_literal_type__1170" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in a type literal must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[Un nome di proprietà calcolato in un valore letterale di tipo deve fare riferimento direttamente a un simbolo predefinito.]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol_1165" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_an_ambient_context_must_refer_to_an_expression_whose_type_is_a_literal_t_1165" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in an ambient context must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[Un nome di proprietà calcolato in un contesto di ambiente deve fare riferimento direttamente a un simbolo predefinito.]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in an ambient context must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol_1169" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_an_interface_must_refer_to_an_expression_whose_type_is_a_literal_type_or_1169" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in an interface must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[Un nome di proprietà calcolato in un'interfaccia deve fare riferimento direttamente a un simbolo predefinito.]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -519,6 +504,18 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";A_property_of_a_class_whose_type_is_a_unique_symbol_type_must_be_both_static_and_readonly_1331" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[A property of a class whose type is a 'unique symbol' type must be both 'static' and 'readonly'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";A_property_of_an_interface_or_type_literal_whose_type_is_a_unique_symbol_type_must_be_readonly_1330" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[A property of an interface or type literal whose type is a 'unique symbol' type must be 'readonly'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";A_required_parameter_cannot_follow_an_optional_parameter_1016" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[A required parameter cannot follow an optional parameter.]]></Val>
@@ -765,6 +762,12 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";A_variable_whose_type_is_a_unique_symbol_type_must_be_const_1332" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[A variable whose type is a 'unique symbol' type must be 'const'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";A_yield_expression_is_only_allowed_in_a_generator_body_1163" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[A 'yield' expression is only allowed in a generator body.]]></Val>
@@ -2577,6 +2580,12 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Duplicate_declaration_0_2718" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Duplicate declaration '{0}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Duplicate_function_implementation_2393" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Duplicate function implementation.]]></Val>
@@ -2925,12 +2934,9 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Expected_0_arguments_but_got_a_minimum_of_1_2556" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";Expected_0_arguments_but_got_1_or_more_2556" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Expected {0} arguments, but got a minimum of {1}.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[Sono previsti {0} argomenti, ma ne è stato ottenuto un numero minimo, pari a {1}.]]></Val>
-          </Tgt>
+          <Val><![CDATA[Expected {0} arguments, but got {1} or more.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -2961,12 +2967,9 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Expected_at_least_0_arguments_but_got_a_minimum_of_1_2557" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";Expected_at_least_0_arguments_but_got_1_or_more_2557" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Expected at least {0} arguments, but got a minimum of {1}.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[Sono previsti almeno {0} argomenti, ma ne è stato ottenuto un numero minimo, pari a {1}.]]></Val>
-          </Tgt>
+          <Val><![CDATA[Expected at least {0} arguments, but got {1} or more.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -4122,6 +4125,15 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";JSDoc_may_only_appear_in_the_last_parameter_of_a_signature_8028" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[JSDoc '...' may only appear in the last parameter of a signature.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[JSDoc '...' può essere presente solo nell'ultimo parametro di una firma.]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";JSDoc_param_tag_has_name_0_but_there_is_no_parameter_with_that_name_8024" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[JSDoc '@param' tag has name '{0}', but there is no parameter with that name.]]></Val>
@@ -4491,6 +4503,18 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Method_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2_4101" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Method '{0}' of exported interface has or is using name '{1}' from private module '{2}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Method_0_of_exported_interface_has_or_is_using_private_name_1_4102" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Method '{0}' of exported interface has or is using private name '{1}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Modifiers_cannot_appear_here_1184" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Modifiers cannot appear here.]]></Val>
@@ -5634,6 +5658,24 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Public_method_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4098" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public method '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Public_method_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4099" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public method '{0}' of exported class has or is using name '{1}' from private module '{2}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Public_method_0_of_exported_class_has_or_is_using_private_name_1_4100" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public method '{0}' of exported class has or is using private name '{1}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_name_4029" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Public property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named.]]></Val>
@@ -5661,6 +5703,24 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Public_static_method_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_4095" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public static method '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Public_static_method_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4096" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public static method '{0}' of exported class has or is using name '{1}' from private module '{2}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Public_static_method_0_of_exported_class_has_or_is_using_private_name_1_4097" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public static method '{0}' of exported class has or is using private name '{1}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot__4026" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Public static property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named.]]></Val>
@@ -6447,6 +6507,12 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Subsequent_property_declarations_must_have_the_same_type_Property_0_has_type_1_at_2_but_here_has_typ_2717" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Subsequent property declarations must have the same type.  Property '{0}' has type '{1}' at {2}, but here has type '{3}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Subsequent_variable_declarations_must_have_the_same_type_Variable_0_has_type_1_at_2_but_here_has_typ_2403" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Subsequent variable declarations must have the same type.  Variable '{0}' has type '{1}' at {2}, but here has type '{3}'.]]></Val>
@@ -6669,12 +6735,9 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary_2527" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";The_inferred_type_of_0_references_an_inaccessible_1_type_A_type_annotation_is_necessary_2527" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[The inferred type of '{0}' references an inaccessible 'this' type. A type annotation is necessary.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[Il tipo dedotto di '{0}' fa riferimento a un tipo 'this' non accessibile. È necessaria un'annotazione di tipo.]]></Val>
-          </Tgt>
+          <Val><![CDATA[The inferred type of '{0}' references an inaccessible '{1}' type. A type annotation is necessary.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -8724,6 +8787,24 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";unique_symbol_types_are_not_allowed_here_1335" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['unique symbol' types are not allowed here.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";unique_symbol_types_are_only_allowed_on_variables_in_a_variable_statement_1334" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['unique symbol' types are only allowed on variables in a variable statement.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";unique_symbol_types_may_not_be_used_on_a_variable_declaration_with_a_binding_name_1333" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['unique symbol' types may not be used on a variable declaration with a binding name.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";with_statements_are_not_allowed_in_an_async_function_block_1300" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA['with' statements are not allowed in an async function block.]]></Val>
diff --git a/src/loc/lcl/jpn/diagnosticMessages/diagnosticMessages.generated.json.lcl b/src/loc/lcl/jpn/diagnosticMessages/diagnosticMessages.generated.json.lcl
index 2de627949fb..1034ed53292 100644
--- a/src/loc/lcl/jpn/diagnosticMessages/diagnosticMessages.generated.json.lcl
+++ b/src/loc/lcl/jpn/diagnosticMessages/diagnosticMessages.generated.json.lcl
@@ -141,48 +141,33 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol_1166" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_a_class_property_declaration_must_refer_to_an_expression_whose_type_is_a_1166" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in a class property declaration must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[クラス プロパティ宣言内の計算されたプロパティ名は、組み込みシンボルを直接参照する必要があります。]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in a class property declaration must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol_1168" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_a_method_overload_must_refer_to_an_expression_whose_type_is_a_literal_ty_1168" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in a method overload must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[メソッド オーバーロード内の計算されたプロパティ名は、組み込みシンボルを直接参照する必要があります。]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol_1170" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_a_type_literal_must_refer_to_an_expression_whose_type_is_a_literal_type__1170" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in a type literal must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[type リテラル内の計算されたプロパティ名は、組み込みシンボルを直接参照する必要があります。]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol_1165" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_an_ambient_context_must_refer_to_an_expression_whose_type_is_a_literal_t_1165" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in an ambient context must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[環境コンテキスト内の計算されたプロパティ名は、組み込みシンボルを直接参照する必要があります。]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in an ambient context must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol_1169" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_an_interface_must_refer_to_an_expression_whose_type_is_a_literal_type_or_1169" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in an interface must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[インターフェイス内の計算されたプロパティ名は、組み込みシンボルを直接参照する必要があります。]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -519,6 +504,18 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";A_property_of_a_class_whose_type_is_a_unique_symbol_type_must_be_both_static_and_readonly_1331" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[A property of a class whose type is a 'unique symbol' type must be both 'static' and 'readonly'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";A_property_of_an_interface_or_type_literal_whose_type_is_a_unique_symbol_type_must_be_readonly_1330" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[A property of an interface or type literal whose type is a 'unique symbol' type must be 'readonly'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";A_required_parameter_cannot_follow_an_optional_parameter_1016" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[A required parameter cannot follow an optional parameter.]]></Val>
@@ -765,6 +762,12 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";A_variable_whose_type_is_a_unique_symbol_type_must_be_const_1332" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[A variable whose type is a 'unique symbol' type must be 'const'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";A_yield_expression_is_only_allowed_in_a_generator_body_1163" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[A 'yield' expression is only allowed in a generator body.]]></Val>
@@ -2577,6 +2580,12 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Duplicate_declaration_0_2718" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Duplicate declaration '{0}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Duplicate_function_implementation_2393" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Duplicate function implementation.]]></Val>
@@ -2925,12 +2934,9 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Expected_0_arguments_but_got_a_minimum_of_1_2556" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";Expected_0_arguments_but_got_1_or_more_2556" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Expected {0} arguments, but got a minimum of {1}.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[{0} 個の引数が必要ですが、{1} 個しか指定されていません。]]></Val>
-          </Tgt>
+          <Val><![CDATA[Expected {0} arguments, but got {1} or more.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -2961,12 +2967,9 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Expected_at_least_0_arguments_but_got_a_minimum_of_1_2557" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";Expected_at_least_0_arguments_but_got_1_or_more_2557" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Expected at least {0} arguments, but got a minimum of {1}.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[最低でも {0} 個の引数が必要ですが、{1} 個しか指定されていません。]]></Val>
-          </Tgt>
+          <Val><![CDATA[Expected at least {0} arguments, but got {1} or more.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -4122,6 +4125,15 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";JSDoc_may_only_appear_in_the_last_parameter_of_a_signature_8028" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[JSDoc '...' may only appear in the last parameter of a signature.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[JSDoc '...' は、シグネチャの最後のパラメーターにのみ使用できます。]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";JSDoc_param_tag_has_name_0_but_there_is_no_parameter_with_that_name_8024" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[JSDoc '@param' tag has name '{0}', but there is no parameter with that name.]]></Val>
@@ -4491,6 +4503,18 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Method_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2_4101" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Method '{0}' of exported interface has or is using name '{1}' from private module '{2}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Method_0_of_exported_interface_has_or_is_using_private_name_1_4102" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Method '{0}' of exported interface has or is using private name '{1}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Modifiers_cannot_appear_here_1184" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Modifiers cannot appear here.]]></Val>
@@ -5634,6 +5658,24 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Public_method_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4098" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public method '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Public_method_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4099" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public method '{0}' of exported class has or is using name '{1}' from private module '{2}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Public_method_0_of_exported_class_has_or_is_using_private_name_1_4100" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public method '{0}' of exported class has or is using private name '{1}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_name_4029" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Public property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named.]]></Val>
@@ -5661,6 +5703,24 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Public_static_method_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_4095" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public static method '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Public_static_method_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4096" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public static method '{0}' of exported class has or is using name '{1}' from private module '{2}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Public_static_method_0_of_exported_class_has_or_is_using_private_name_1_4097" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public static method '{0}' of exported class has or is using private name '{1}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot__4026" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Public static property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named.]]></Val>
@@ -6447,6 +6507,12 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Subsequent_property_declarations_must_have_the_same_type_Property_0_has_type_1_at_2_but_here_has_typ_2717" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Subsequent property declarations must have the same type.  Property '{0}' has type '{1}' at {2}, but here has type '{3}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Subsequent_variable_declarations_must_have_the_same_type_Variable_0_has_type_1_at_2_but_here_has_typ_2403" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Subsequent variable declarations must have the same type.  Variable '{0}' has type '{1}' at {2}, but here has type '{3}'.]]></Val>
@@ -6669,12 +6735,9 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary_2527" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";The_inferred_type_of_0_references_an_inaccessible_1_type_A_type_annotation_is_necessary_2527" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[The inferred type of '{0}' references an inaccessible 'this' type. A type annotation is necessary.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA['{0}' の推定型はアクセス不可能な 'this' 型を参照します。型の注釈が必要です。]]></Val>
-          </Tgt>
+          <Val><![CDATA[The inferred type of '{0}' references an inaccessible '{1}' type. A type annotation is necessary.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -8724,6 +8787,24 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";unique_symbol_types_are_not_allowed_here_1335" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['unique symbol' types are not allowed here.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";unique_symbol_types_are_only_allowed_on_variables_in_a_variable_statement_1334" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['unique symbol' types are only allowed on variables in a variable statement.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";unique_symbol_types_may_not_be_used_on_a_variable_declaration_with_a_binding_name_1333" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['unique symbol' types may not be used on a variable declaration with a binding name.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";with_statements_are_not_allowed_in_an_async_function_block_1300" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA['with' statements are not allowed in an async function block.]]></Val>
diff --git a/src/loc/lcl/kor/diagnosticMessages/diagnosticMessages.generated.json.lcl b/src/loc/lcl/kor/diagnosticMessages/diagnosticMessages.generated.json.lcl
index 77eb0455379..e1edb303ec2 100644
--- a/src/loc/lcl/kor/diagnosticMessages/diagnosticMessages.generated.json.lcl
+++ b/src/loc/lcl/kor/diagnosticMessages/diagnosticMessages.generated.json.lcl
@@ -141,48 +141,33 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol_1166" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_a_class_property_declaration_must_refer_to_an_expression_whose_type_is_a_1166" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in a class property declaration must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[클래스 속성 선언의 계산된 속성 이름은 기본 제공 기호를 직접 참조해야 합니다.]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in a class property declaration must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol_1168" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_a_method_overload_must_refer_to_an_expression_whose_type_is_a_literal_ty_1168" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in a method overload must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[메서드 오버로드의 계산된 속성 이름은 기본 제공 기호를 직접 참조해야 합니다.]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol_1170" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_a_type_literal_must_refer_to_an_expression_whose_type_is_a_literal_type__1170" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in a type literal must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[형식 리터럴의 계산된 속성 이름은 기본 제공 기호를 직접 참조해야 합니다.]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol_1165" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_an_ambient_context_must_refer_to_an_expression_whose_type_is_a_literal_t_1165" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in an ambient context must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[앰비언트 컨텍스트의 계산된 속성 이름은 기본 제공 기호를 직접 참조해야 합니다.]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in an ambient context must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol_1169" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_an_interface_must_refer_to_an_expression_whose_type_is_a_literal_type_or_1169" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in an interface must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[인터페이스의 계산된 속성 이름은 기본 제공 기호를 직접 참조해야 합니다.]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -519,6 +504,18 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";A_property_of_a_class_whose_type_is_a_unique_symbol_type_must_be_both_static_and_readonly_1331" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[A property of a class whose type is a 'unique symbol' type must be both 'static' and 'readonly'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";A_property_of_an_interface_or_type_literal_whose_type_is_a_unique_symbol_type_must_be_readonly_1330" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[A property of an interface or type literal whose type is a 'unique symbol' type must be 'readonly'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";A_required_parameter_cannot_follow_an_optional_parameter_1016" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[A required parameter cannot follow an optional parameter.]]></Val>
@@ -765,6 +762,12 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";A_variable_whose_type_is_a_unique_symbol_type_must_be_const_1332" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[A variable whose type is a 'unique symbol' type must be 'const'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";A_yield_expression_is_only_allowed_in_a_generator_body_1163" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[A 'yield' expression is only allowed in a generator body.]]></Val>
@@ -2577,6 +2580,12 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Duplicate_declaration_0_2718" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Duplicate declaration '{0}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Duplicate_function_implementation_2393" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Duplicate function implementation.]]></Val>
@@ -2925,12 +2934,9 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Expected_0_arguments_but_got_a_minimum_of_1_2556" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";Expected_0_arguments_but_got_1_or_more_2556" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Expected {0} arguments, but got a minimum of {1}.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[{0}개의 인수가 필요한데 최소 {1}개를 가져왔습니다.]]></Val>
-          </Tgt>
+          <Val><![CDATA[Expected {0} arguments, but got {1} or more.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -2961,12 +2967,9 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Expected_at_least_0_arguments_but_got_a_minimum_of_1_2557" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";Expected_at_least_0_arguments_but_got_1_or_more_2557" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Expected at least {0} arguments, but got a minimum of {1}.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[최소 {0}개의 인수가 필요한데 최소 {1}개를 가져왔습니다.]]></Val>
-          </Tgt>
+          <Val><![CDATA[Expected at least {0} arguments, but got {1} or more.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -4122,6 +4125,15 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";JSDoc_may_only_appear_in_the_last_parameter_of_a_signature_8028" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[JSDoc '...' may only appear in the last parameter of a signature.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[JSDoc '...'은 시그니처의 마지막 매개 변수에만 나타날 수 있습니다.]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";JSDoc_param_tag_has_name_0_but_there_is_no_parameter_with_that_name_8024" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[JSDoc '@param' tag has name '{0}', but there is no parameter with that name.]]></Val>
@@ -4491,6 +4503,18 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Method_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2_4101" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Method '{0}' of exported interface has or is using name '{1}' from private module '{2}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Method_0_of_exported_interface_has_or_is_using_private_name_1_4102" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Method '{0}' of exported interface has or is using private name '{1}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Modifiers_cannot_appear_here_1184" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Modifiers cannot appear here.]]></Val>
@@ -5634,6 +5658,24 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Public_method_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4098" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public method '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Public_method_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4099" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public method '{0}' of exported class has or is using name '{1}' from private module '{2}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Public_method_0_of_exported_class_has_or_is_using_private_name_1_4100" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public method '{0}' of exported class has or is using private name '{1}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_name_4029" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Public property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named.]]></Val>
@@ -5661,6 +5703,24 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Public_static_method_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_4095" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public static method '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Public_static_method_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4096" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public static method '{0}' of exported class has or is using name '{1}' from private module '{2}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Public_static_method_0_of_exported_class_has_or_is_using_private_name_1_4097" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public static method '{0}' of exported class has or is using private name '{1}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot__4026" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Public static property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named.]]></Val>
@@ -6447,6 +6507,12 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Subsequent_property_declarations_must_have_the_same_type_Property_0_has_type_1_at_2_but_here_has_typ_2717" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Subsequent property declarations must have the same type.  Property '{0}' has type '{1}' at {2}, but here has type '{3}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Subsequent_variable_declarations_must_have_the_same_type_Variable_0_has_type_1_at_2_but_here_has_typ_2403" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Subsequent variable declarations must have the same type.  Variable '{0}' has type '{1}' at {2}, but here has type '{3}'.]]></Val>
@@ -6669,12 +6735,9 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary_2527" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";The_inferred_type_of_0_references_an_inaccessible_1_type_A_type_annotation_is_necessary_2527" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[The inferred type of '{0}' references an inaccessible 'this' type. A type annotation is necessary.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA['{0}'의 유추 형식이 액세스할 수 없는 'this' 형식을 참조합니다. 형식 주석이 필요합니다.]]></Val>
-          </Tgt>
+          <Val><![CDATA[The inferred type of '{0}' references an inaccessible '{1}' type. A type annotation is necessary.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -8724,6 +8787,24 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";unique_symbol_types_are_not_allowed_here_1335" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['unique symbol' types are not allowed here.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";unique_symbol_types_are_only_allowed_on_variables_in_a_variable_statement_1334" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['unique symbol' types are only allowed on variables in a variable statement.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";unique_symbol_types_may_not_be_used_on_a_variable_declaration_with_a_binding_name_1333" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['unique symbol' types may not be used on a variable declaration with a binding name.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";with_statements_are_not_allowed_in_an_async_function_block_1300" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA['with' statements are not allowed in an async function block.]]></Val>
diff --git a/src/loc/lcl/plk/diagnosticMessages/diagnosticMessages.generated.json.lcl b/src/loc/lcl/plk/diagnosticMessages/diagnosticMessages.generated.json.lcl
index 1b11c502992..2524f29e99e 100644
--- a/src/loc/lcl/plk/diagnosticMessages/diagnosticMessages.generated.json.lcl
+++ b/src/loc/lcl/plk/diagnosticMessages/diagnosticMessages.generated.json.lcl
@@ -134,48 +134,33 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol_1166" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_a_class_property_declaration_must_refer_to_an_expression_whose_type_is_a_1166" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in a class property declaration must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[Obliczona nazwa właściwości w deklaracji właściwości klasy musi odwoływać się bezpośrednio do wbudowanego symbolu.]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in a class property declaration must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol_1168" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_a_method_overload_must_refer_to_an_expression_whose_type_is_a_literal_ty_1168" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in a method overload must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[Obliczona nazwa właściwości w przeciążeniu metody musi odwoływać się bezpośrednio do wbudowanego symbolu.]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol_1170" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_a_type_literal_must_refer_to_an_expression_whose_type_is_a_literal_type__1170" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in a type literal must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[Obliczona nazwa właściwości w literale typu musi odwoływać się bezpośrednio do wbudowanego symbolu.]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol_1165" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_an_ambient_context_must_refer_to_an_expression_whose_type_is_a_literal_t_1165" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in an ambient context must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[Obliczona nazwa właściwości w otaczającym kontekście musi odwoływać się bezpośrednio do wbudowanego symbolu.]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in an ambient context must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol_1169" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_an_interface_must_refer_to_an_expression_whose_type_is_a_literal_type_or_1169" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in an interface must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[Obliczona nazwa właściwości w interfejsie musi odwoływać się bezpośrednio do wbudowanego symbolu.]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -512,6 +497,18 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";A_property_of_a_class_whose_type_is_a_unique_symbol_type_must_be_both_static_and_readonly_1331" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[A property of a class whose type is a 'unique symbol' type must be both 'static' and 'readonly'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";A_property_of_an_interface_or_type_literal_whose_type_is_a_unique_symbol_type_must_be_readonly_1330" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[A property of an interface or type literal whose type is a 'unique symbol' type must be 'readonly'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";A_required_parameter_cannot_follow_an_optional_parameter_1016" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[A required parameter cannot follow an optional parameter.]]></Val>
@@ -755,6 +752,12 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";A_variable_whose_type_is_a_unique_symbol_type_must_be_const_1332" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[A variable whose type is a 'unique symbol' type must be 'const'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";A_yield_expression_is_only_allowed_in_a_generator_body_1163" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[A 'yield' expression is only allowed in a generator body.]]></Val>
@@ -2561,6 +2564,12 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Duplicate_declaration_0_2718" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Duplicate declaration '{0}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Duplicate_function_implementation_2393" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Duplicate function implementation.]]></Val>
@@ -2909,12 +2918,9 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Expected_0_arguments_but_got_a_minimum_of_1_2556" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";Expected_0_arguments_but_got_1_or_more_2556" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Expected {0} arguments, but got a minimum of {1}.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[Oczekiwane argumenty: {0}, uzyskano minimum {1}.]]></Val>
-          </Tgt>
+          <Val><![CDATA[Expected {0} arguments, but got {1} or more.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -2945,12 +2951,9 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Expected_at_least_0_arguments_but_got_a_minimum_of_1_2557" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";Expected_at_least_0_arguments_but_got_1_or_more_2557" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Expected at least {0} arguments, but got a minimum of {1}.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[Oczekiwane argumenty: co najmniej {0}, uzyskano minimum {1}.]]></Val>
-          </Tgt>
+          <Val><![CDATA[Expected at least {0} arguments, but got {1} or more.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -4103,6 +4106,15 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";JSDoc_may_only_appear_in_the_last_parameter_of_a_signature_8028" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[JSDoc '...' may only appear in the last parameter of a signature.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[Element „...” JSDoc może występować tylko w ostatnim parametrze sygnatury.]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";JSDoc_param_tag_has_name_0_but_there_is_no_parameter_with_that_name_8024" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[JSDoc '@param' tag has name '{0}', but there is no parameter with that name.]]></Val>
@@ -4472,6 +4484,18 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Method_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2_4101" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Method '{0}' of exported interface has or is using name '{1}' from private module '{2}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Method_0_of_exported_interface_has_or_is_using_private_name_1_4102" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Method '{0}' of exported interface has or is using private name '{1}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Modifiers_cannot_appear_here_1184" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Modifiers cannot appear here.]]></Val>
@@ -5612,6 +5636,24 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Public_method_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4098" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public method '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Public_method_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4099" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public method '{0}' of exported class has or is using name '{1}' from private module '{2}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Public_method_0_of_exported_class_has_or_is_using_private_name_1_4100" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public method '{0}' of exported class has or is using private name '{1}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_name_4029" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Public property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named.]]></Val>
@@ -5639,6 +5681,24 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Public_static_method_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_4095" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public static method '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Public_static_method_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4096" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public static method '{0}' of exported class has or is using name '{1}' from private module '{2}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Public_static_method_0_of_exported_class_has_or_is_using_private_name_1_4097" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public static method '{0}' of exported class has or is using private name '{1}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot__4026" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Public static property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named.]]></Val>
@@ -6419,6 +6479,12 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Subsequent_property_declarations_must_have_the_same_type_Property_0_has_type_1_at_2_but_here_has_typ_2717" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Subsequent property declarations must have the same type.  Property '{0}' has type '{1}' at {2}, but here has type '{3}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Subsequent_variable_declarations_must_have_the_same_type_Variable_0_has_type_1_at_2_but_here_has_typ_2403" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Subsequent variable declarations must have the same type.  Variable '{0}' has type '{1}' at {2}, but here has type '{3}'.]]></Val>
@@ -6641,12 +6707,9 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary_2527" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";The_inferred_type_of_0_references_an_inaccessible_1_type_A_type_annotation_is_necessary_2527" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[The inferred type of '{0}' references an inaccessible 'this' type. A type annotation is necessary.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[Wnioskowany typ „{0}” przywołuje niedostępny typ „this”. Adnotacja typu jest konieczna.]]></Val>
-          </Tgt>
+          <Val><![CDATA[The inferred type of '{0}' references an inaccessible '{1}' type. A type annotation is necessary.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -8696,6 +8759,24 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";unique_symbol_types_are_not_allowed_here_1335" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['unique symbol' types are not allowed here.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";unique_symbol_types_are_only_allowed_on_variables_in_a_variable_statement_1334" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['unique symbol' types are only allowed on variables in a variable statement.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";unique_symbol_types_may_not_be_used_on_a_variable_declaration_with_a_binding_name_1333" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['unique symbol' types may not be used on a variable declaration with a binding name.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";with_statements_are_not_allowed_in_an_async_function_block_1300" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA['with' statements are not allowed in an async function block.]]></Val>
diff --git a/src/loc/lcl/trk/diagnosticMessages/diagnosticMessages.generated.json.lcl b/src/loc/lcl/trk/diagnosticMessages/diagnosticMessages.generated.json.lcl
index 5cba29af5e2..44970d1fc65 100644
--- a/src/loc/lcl/trk/diagnosticMessages/diagnosticMessages.generated.json.lcl
+++ b/src/loc/lcl/trk/diagnosticMessages/diagnosticMessages.generated.json.lcl
@@ -134,48 +134,33 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol_1166" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_a_class_property_declaration_must_refer_to_an_expression_whose_type_is_a_1166" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in a class property declaration must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[Sınıf özelliği bildirimindeki hesaplanan özellik adı, yerleşik bir simgeye doğrudan başvurmalıdır.]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in a class property declaration must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol_1168" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_a_method_overload_must_refer_to_an_expression_whose_type_is_a_literal_ty_1168" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in a method overload must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[Metot aşırı yüklemesindeki hesaplanan özellik adı, yerleşik bir simgeye doğrudan başvurmalıdır.]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in a method overload must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol_1170" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_a_type_literal_must_refer_to_an_expression_whose_type_is_a_literal_type__1170" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in a type literal must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[Tür sabit değerindeki hesaplanan özellik adı, yerleşik bir simgeye doğrudan başvurmalıdır.]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in a type literal must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol_1165" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_an_ambient_context_must_refer_to_an_expression_whose_type_is_a_literal_t_1165" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in an ambient context must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[Çevresel bağlamdaki hesaplanan özellik adı, yerleşik bir simgeye doğrudan başvurmalıdır.]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in an ambient context must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol_1169" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";A_computed_property_name_in_an_interface_must_refer_to_an_expression_whose_type_is_a_literal_type_or_1169" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[A computed property name in an interface must directly refer to a built-in symbol.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[Arabirimdeki hesaplanan özellik adı, yerleşik bir simgeye doğrudan başvurmalıdır.]]></Val>
-          </Tgt>
+          <Val><![CDATA[A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -512,6 +497,18 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";A_property_of_a_class_whose_type_is_a_unique_symbol_type_must_be_both_static_and_readonly_1331" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[A property of a class whose type is a 'unique symbol' type must be both 'static' and 'readonly'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";A_property_of_an_interface_or_type_literal_whose_type_is_a_unique_symbol_type_must_be_readonly_1330" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[A property of an interface or type literal whose type is a 'unique symbol' type must be 'readonly'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";A_required_parameter_cannot_follow_an_optional_parameter_1016" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[A required parameter cannot follow an optional parameter.]]></Val>
@@ -758,6 +755,12 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";A_variable_whose_type_is_a_unique_symbol_type_must_be_const_1332" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[A variable whose type is a 'unique symbol' type must be 'const'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";A_yield_expression_is_only_allowed_in_a_generator_body_1163" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[A 'yield' expression is only allowed in a generator body.]]></Val>
@@ -2570,6 +2573,12 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Duplicate_declaration_0_2718" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Duplicate declaration '{0}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Duplicate_function_implementation_2393" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Duplicate function implementation.]]></Val>
@@ -2918,12 +2927,9 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Expected_0_arguments_but_got_a_minimum_of_1_2556" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";Expected_0_arguments_but_got_1_or_more_2556" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Expected {0} arguments, but got a minimum of {1}.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[{0} bağımsız değişken bekleniyordu ancak en düşük değer olan {1} alındı.]]></Val>
-          </Tgt>
+          <Val><![CDATA[Expected {0} arguments, but got {1} or more.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -2954,12 +2960,9 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";Expected_at_least_0_arguments_but_got_a_minimum_of_1_2557" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";Expected_at_least_0_arguments_but_got_1_or_more_2557" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[Expected at least {0} arguments, but got a minimum of {1}.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[En az {0} bağımsız değişken bekleniyordu ancak en düşük değer olan {1} alındı.]]></Val>
-          </Tgt>
+          <Val><![CDATA[Expected at least {0} arguments, but got {1} or more.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -4115,6 +4118,15 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";JSDoc_may_only_appear_in_the_last_parameter_of_a_signature_8028" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[JSDoc '...' may only appear in the last parameter of a signature.]]></Val>
+          <Tgt Cat="Text" Stat="Loc" Orig="New">
+            <Val><![CDATA[JSDoc '...' yalnızca bir imzanın son parametresi içinde görünebilir.]]></Val>
+          </Tgt>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";JSDoc_param_tag_has_name_0_but_there_is_no_parameter_with_that_name_8024" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[JSDoc '@param' tag has name '{0}', but there is no parameter with that name.]]></Val>
@@ -4484,6 +4496,18 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Method_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2_4101" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Method '{0}' of exported interface has or is using name '{1}' from private module '{2}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Method_0_of_exported_interface_has_or_is_using_private_name_1_4102" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Method '{0}' of exported interface has or is using private name '{1}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Modifiers_cannot_appear_here_1184" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Modifiers cannot appear here.]]></Val>
@@ -5627,6 +5651,24 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Public_method_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4098" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public method '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Public_method_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4099" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public method '{0}' of exported class has or is using name '{1}' from private module '{2}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Public_method_0_of_exported_class_has_or_is_using_private_name_1_4100" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public method '{0}' of exported class has or is using private name '{1}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_name_4029" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Public property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named.]]></Val>
@@ -5654,6 +5696,24 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Public_static_method_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_4095" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public static method '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Public_static_method_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4096" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public static method '{0}' of exported class has or is using name '{1}' from private module '{2}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";Public_static_method_0_of_exported_class_has_or_is_using_private_name_1_4097" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Public static method '{0}' of exported class has or is using private name '{1}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot__4026" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Public static property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named.]]></Val>
@@ -6440,6 +6500,12 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";Subsequent_property_declarations_must_have_the_same_type_Property_0_has_type_1_at_2_but_here_has_typ_2717" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA[Subsequent property declarations must have the same type.  Property '{0}' has type '{1}' at {2}, but here has type '{3}'.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";Subsequent_variable_declarations_must_have_the_same_type_Variable_0_has_type_1_at_2_but_here_has_typ_2403" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA[Subsequent variable declarations must have the same type.  Variable '{0}' has type '{1}' at {2}, but here has type '{3}'.]]></Val>
@@ -6662,12 +6728,9 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
-      <Item ItemId=";The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary_2527" ItemType="0" PsrId="306" Leaf="true">
+      <Item ItemId=";The_inferred_type_of_0_references_an_inaccessible_1_type_A_type_annotation_is_necessary_2527" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
-          <Val><![CDATA[The inferred type of '{0}' references an inaccessible 'this' type. A type annotation is necessary.]]></Val>
-          <Tgt Cat="Text" Stat="Loc" Orig="New">
-            <Val><![CDATA[Gösterilen '{0}' türü, erişilemeyen bir this' türüne başvuruyor. Tür ek açıklaması gereklidir.]]></Val>
-          </Tgt>
+          <Val><![CDATA[The inferred type of '{0}' references an inaccessible '{1}' type. A type annotation is necessary.]]></Val>
         </Str>
         <Disp Icon="Str" />
       </Item>
@@ -8717,6 +8780,24 @@
         </Str>
         <Disp Icon="Str" />
       </Item>
+      <Item ItemId=";unique_symbol_types_are_not_allowed_here_1335" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['unique symbol' types are not allowed here.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";unique_symbol_types_are_only_allowed_on_variables_in_a_variable_statement_1334" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['unique symbol' types are only allowed on variables in a variable statement.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
+      <Item ItemId=";unique_symbol_types_may_not_be_used_on_a_variable_declaration_with_a_binding_name_1333" ItemType="0" PsrId="306" Leaf="true">
+        <Str Cat="Text">
+          <Val><![CDATA['unique symbol' types may not be used on a variable declaration with a binding name.]]></Val>
+        </Str>
+        <Disp Icon="Str" />
+      </Item>
       <Item ItemId=";with_statements_are_not_allowed_in_an_async_function_block_1300" ItemType="0" PsrId="306" Leaf="true">
         <Str Cat="Text">
           <Val><![CDATA['with' statements are not allowed in an async function block.]]></Val>