Symbol.prototype.description hit stage 4

src/lib/es2019.d.ts

@@ -0,0 +1,2 @@
+/// <reference lib="es2018" />
+/// <reference lib="es2019.symbol" />

src/lib/es2019.full.d.ts

@@ -0,0 +1,5 @@
+/// <reference lib="es2019" />
+/// <reference lib="dom" />
+/// <reference lib="webworker.importscripts" />
+/// <reference lib="scripthost" />
+/// <reference lib="dom.iterable" />

src/lib/esnext.d.ts

@@ -1,6 +1,5 @@
-/// <reference lib="es2018" />
+/// <reference lib="es2019" />
 /// <reference lib="esnext.asynciterable" />
 /// <reference lib="esnext.array" />
 /// <reference lib="esnext.bigint" />
-/// <reference lib="esnext.symbol" />
 /// <reference lib="esnext.intl" />

src/lib/libs.json

@@ -6,6 +6,7 @@
         "es2016",
         "es2017",
         "es2018",
+        "es2019",
         "esnext",
         // Host only
         "dom.generated",
@@ -32,10 +33,10 @@
         "es2018.regexp",
         "es2018.promise",
         "es2018.intl",
+        "es2019.symbol",
         "esnext.asynciterable",
         "esnext.array",
         "esnext.bigint",
-        "esnext.symbol",
         "esnext.intl",
         // Default libraries
         "es5.full",
@@ -43,6 +44,7 @@
         "es2016.full",
         "es2017.full",
         "es2018.full",
+        "es2019.full",
         "esnext.full"
     ],
     "paths": {