removed extra whitespaces, added commments

Author: vladima

src/compiler/types.ts

@@ -1275,6 +1275,7 @@ namespace ts {
         /* @internal */ lineMap: number[];
         /* @internal */ classifiableNames?: Map<string>;
         // Stores a mapping 'external module reference text' -> 'resolved file name' | undefined
+        // It is used to resolve module names in the checker.
         // Content of this fiels should never be used directly - use getResolvedModuleFileName/setResolvedModuleFileName functions instead
         /* @internal */ resolvedModules: Map<string>;
         /* @internal */ imports: LiteralExpression[];

src/services/shims.ts

@@ -547,7 +547,7 @@ namespace ts {
         private realizeDiagnostics(diagnostics: Diagnostic[]): { message: string; start: number; length: number; category: string; }[]{
             var newLine = this.getNewLine();
             return ts.realizeDiagnostics(diagnostics, newLine);
-        }  
+        }
 
         public getSyntacticClassifications(fileName: string, start: number, length: number): string {
             return this.forwardJSONCall(