Rename PrivateNamedField to PrivateNamedInstanceField

Author: Joseph Watts

src/compiler/transformers/esnext.ts

@@ -13,7 +13,7 @@ namespace ts {
     /**
      * A mapping of private names to information needed for transformation.
      */
-    type PrivateNameEnvironment = UnderscoreEscapedMap<PrivateNamedField>;
+    type PrivateNameEnvironment = UnderscoreEscapedMap<PrivateNamedInstanceField>;
 
     /**
      * Identifies the type of private name.
@@ -22,7 +22,7 @@ namespace ts {
         InstanceField
     }
 
-    interface PrivateNamedField {
+    interface PrivateNamedInstanceField {
         type: PrivateNameType.InstanceField;
         weakMapName: Identifier;
     }