diff --git a/tests/baselines/reference/commentsClassMembers.js b/tests/baselines/reference/commentsClassMembers.js
index f53c64060a3..d5cee0e1950 100644
--- a/tests/baselines/reference/commentsClassMembers.js
+++ b/tests/baselines/reference/commentsClassMembers.js
@@ -548,11 +548,15 @@ declare class c1 {
 }
 declare var i1: c1;
 declare var i1_p: number;
-declare var i1_f: (b: number) => number;
+declare var i1_f: {
+    (b: number): number;
+};
 declare var i1_r: number;
 declare var i1_prop: number;
 declare var i1_nc_p: number;
-declare var i1_ncf: (b: number) => number;
+declare var i1_ncf: {
+    (b: number): number;
+};
 declare var i1_ncr: number;
 declare var i1_ncprop: number;
 declare var i1_s_p: number;
diff --git a/tests/baselines/reference/commentsInterface.js b/tests/baselines/reference/commentsInterface.js
index 3deac9871f1..b7ceffa58af 100644
--- a/tests/baselines/reference/commentsInterface.js
+++ b/tests/baselines/reference/commentsInterface.js
@@ -142,9 +142,13 @@ declare var i2_i_nc_x: number;
 declare var i2_i_nc_foo: (b: number) => string;
 declare var i2_i_nc_foo_r: string;
 declare var i2_i_r: number;
-declare var i2_i_fnfoo: (b: number) => string;
+declare var i2_i_fnfoo: {
+    (b: number): string;
+};
 declare var i2_i_fnfoo_r: string;
-declare var i2_i_nc_fnfoo: (b: number) => string;
+declare var i2_i_nc_fnfoo: {
+    (b: number): string;
+};
 declare var i2_i_nc_fnfoo_r: string;
 interface i3 {
     /** Comment i3 x*/
diff --git a/tests/baselines/reference/jsDocTypeTag2.js b/tests/baselines/reference/jsDocTypeTag2.js
index d54b4557f06..bde3f3f9c1e 100644
--- a/tests/baselines/reference/jsDocTypeTag2.js
+++ b/tests/baselines/reference/jsDocTypeTag2.js
@@ -472,6 +472,18 @@
           "text": " ",
           "kind": "space"
         },
+        {
+          "text": "{",
+          "kind": "punctuation"
+        },
+        {
+          "text": "\n",
+          "kind": "lineBreak"
+        },
+        {
+          "text": "    ",
+          "kind": "space"
+        },
         {
           "text": "(",
           "kind": "punctuation"
@@ -497,11 +509,7 @@
           "kind": "punctuation"
         },
         {
-          "text": " ",
-          "kind": "space"
-        },
-        {
-          "text": "=>",
+          "text": ":",
           "kind": "punctuation"
         },
         {
@@ -511,6 +519,18 @@
         {
           "text": "number",
           "kind": "keyword"
+        },
+        {
+          "text": ";",
+          "kind": "punctuation"
+        },
+        {
+          "text": "\n",
+          "kind": "lineBreak"
+        },
+        {
+          "text": "}",
+          "kind": "punctuation"
         }
       ],
       "documentation": [],
diff --git a/tests/baselines/reference/typeGuardFunctionOfFormThisErrors.js b/tests/baselines/reference/typeGuardFunctionOfFormThisErrors.js
index 84db5d4a4a9..6ba90de54f1 100644
--- a/tests/baselines/reference/typeGuardFunctionOfFormThisErrors.js
+++ b/tests/baselines/reference/typeGuardFunctionOfFormThisErrors.js
@@ -154,4 +154,6 @@ declare let c: number | number[];
 declare let holder: {
     invalidGuard: (c: any) => this is number;
 };
-declare let detached: () => this is FollowerGuard;
+declare let detached: {
+    (): this is FollowerGuard;
+};