diff --git a/src/compiler/types.ts b/src/compiler/types.ts
index 7613c489920..c240fd561c8 100644
--- a/src/compiler/types.ts
+++ b/src/compiler/types.ts
@@ -2445,83 +2445,74 @@ namespace ts {
     export type CompilerOptionsValue = string | number | boolean | (string | number)[] | TsConfigOnlyOptions;
 
     export interface CompilerOptions {
-        allowNonTsExtensions?: boolean;
+        allowJs?: boolean;
+        /*@internal*/ allowNonTsExtensions?: boolean;
+        allowSyntheticDefaultImports?: boolean;
+        allowUnreachableCode?: boolean;
+        allowUnusedLabels?: boolean;
+        baseUrl?: string;
         charset?: string;
+        /* @internal */ configFilePath?: string;           // When options come from a config file, its path is recorded here
         declaration?: boolean;
         declarationDir?: string;
         diagnostics?: boolean;
         emitBOM?: boolean;
-        help?: boolean;
-        init?: boolean;
+        emitDecoratorMetadata?: boolean;
+        experimentalDecorators?: boolean;
+        forceConsistentCasingInFileNames?: boolean;
+        /*@internal*/help?: boolean;
+        /*@internal*/init?: boolean;
         inlineSourceMap?: boolean;
         inlineSources?: boolean;
+        isolatedModules?: boolean;
         jsx?: JsxEmit;
-        reactNamespace?: string;
-        listFiles?: boolean;
-        typesSearchPaths?: string[];
+        lib?: string[];
+        /*@internal*/listEmittedFiles?: boolean;
+        /*@internal*/listFiles?: boolean;
         locale?: string;
         mapRoot?: string;
         module?: ModuleKind;
+        moduleResolution?: ModuleResolutionKind;
         newLine?: NewLineKind;
         noEmit?: boolean;
         noEmitHelpers?: boolean;
         noEmitOnError?: boolean;
         noErrorTruncation?: boolean;
+        noFallthroughCasesInSwitch?: boolean;
         noImplicitAny?: boolean;
+        noImplicitReturns?: boolean;
         noImplicitThis?: boolean;
+        noImplicitUseStrict?: boolean;
         noLib?: boolean;
         noResolve?: boolean;
         out?: string;
-        outFile?: string;
         outDir?: string;
+        outFile?: string;
+        paths?: PathSubstitutions;
         preserveConstEnums?: boolean;
-        /* @internal */ pretty?: DiagnosticStyle;
         project?: string;
+        /* @internal */ pretty?: DiagnosticStyle;
+        reactNamespace?: string;
         removeComments?: boolean;
         rootDir?: string;
+        rootDirs?: RootPaths;
+        skipLibCheck?: boolean;
+        /* @internal */ skipDefaultLibCheck?: boolean;
         sourceMap?: boolean;
         sourceRoot?: string;
+        strictNullChecks?: boolean;
+        /* @internal */ stripInternal?: boolean;
         suppressExcessPropertyErrors?: boolean;
         suppressImplicitAnyIndexErrors?: boolean;
+        /* @internal */ suppressOutputPathCheck?: boolean;         // Do not perform validation of output file name in transpile scenarios
         target?: ScriptTarget;
-        version?: boolean;
-        watch?: boolean;
-        isolatedModules?: boolean;
-        experimentalDecorators?: boolean;
-        emitDecoratorMetadata?: boolean;
-        moduleResolution?: ModuleResolutionKind;
-        allowUnusedLabels?: boolean;
-        allowUnreachableCode?: boolean;
-        noImplicitReturns?: boolean;
-        noFallthroughCasesInSwitch?: boolean;
-        forceConsistentCasingInFileNames?: boolean;
-        baseUrl?: string;
-        paths?: PathSubstitutions;
-        rootDirs?: RootPaths;
         traceResolution?: boolean;
-        allowSyntheticDefaultImports?: boolean;
-        allowJs?: boolean;
-        noImplicitUseStrict?: boolean;
-        strictNullChecks?: boolean;
-        skipLibCheck?: boolean;
-        listEmittedFiles?: boolean;
-        lib?: string[];
-        /* @internal */ stripInternal?: boolean;
-
-        // Skip checking lib.d.ts to help speed up tests.
-        /* @internal */ skipDefaultLibCheck?: boolean;
-        // Do not perform validation of output file name in transpile scenarios
-        /* @internal */ suppressOutputPathCheck?: boolean;
-
-        /* @internal */
-        // When options come from a config file, its path is recorded here
-        configFilePath?: string;
-        /* @internal */
-        // Path used to used to compute primary search locations
-        typesRoot?: string;
         types?: string[];
+        /* @internal */ typesRoot?: string;
+        typesSearchPaths?: string[];             // Path used to used to compute primary search locations
+        /*@internal*/ version?: boolean;
+        /*@internal*/ watch?: boolean;
 
-        list?: string[];
         [option: string]: CompilerOptionsValue | undefined;
     }