Emit declaration if its identifier is used in export assignment of external module

tests/baselines/reference/declFileExportAssignmentOfGenericInterface.js

@@ -23,6 +23,9 @@ define(["require", "exports"], function (require, exports) {
 
 
 //// [declFileExportAssignmentOfGenericInterface_0.d.ts]
+interface Foo<T> {
+    a;
+}
 export = Foo;
 //// [declFileExportAssignmentOfGenericInterface_1.d.ts]
 export declare var x;

tests/baselines/reference/declFileExportImportChain.js

@@ -59,6 +59,12 @@ define(["require", "exports"], function (require, exports) {
 
 
 //// [declFileExportImportChain_a.d.ts]
+declare module m1 {
+    module m2 {
+        class c1 {
+        }
+    }
+}
 export = m1;
 //// [declFileExportImportChain_b.d.ts]
 export import a = require("declFileExportImportChain_a");

tests/baselines/reference/declFileExportImportChain2.js

@@ -52,6 +52,12 @@ define(["require", "exports"], function (require, exports) {
 
 
 //// [declFileExportImportChain2_a.d.ts]
+declare module m1 {
+    module m2 {
+        class c1 {
+        }
+    }
+}
 export = m1;
 //// [declFileExportImportChain2_b.d.ts]
 export = a;

tests/baselines/reference/declFileImportModuleWithExportAssignment.js

@@ -36,6 +36,15 @@ exports.a.test1(null, null, null);
 
 
 //// [declFileImportModuleWithExportAssignment_0.d.ts]
+declare module m2 {
+    interface connectModule {
+        (res, req, next);
+    }
+    interface connectExport {
+        use;
+        listen;
+    }
+}
 export = m2;
 //// [declFileImportModuleWithExportAssignment_1.d.ts]
 export declare var a;

tests/baselines/reference/declareFileExportAssignment.js

@@ -24,4 +24,13 @@ module.exports = m2;
 
 
 //// [declareFileExportAssignment.d.ts]
+declare module m2 {
+    interface connectModule {
+        (res, req, next);
+    }
+    interface connectExport {
+        use;
+        listen;
+    }
+}
 export = m2;

tests/baselines/reference/exportImport.js

@@ -40,6 +40,9 @@ define(["require", "exports", './exporter'], function (require, exports, e) {
 
 //// [w1.d.ts]
 export = Widget1;
+declare class Widget1 {
+    name;
+}
 //// [exporter.d.ts]
 export import w = require('./w1');
 //// [consumer.d.ts]

tests/baselines/reference/exportImportNonInstantiatedModule2.js

@@ -32,6 +32,9 @@ define(["require", "exports"], function (require, exports) {
 
 //// [w1.d.ts]
 export = Widget1;
+interface Widget1 {
+    name;
+}
 //// [exporter.d.ts]
 export import w = require('./w1');
 //// [consumer.d.ts]

tests/baselines/reference/missingImportAfterModuleImport.js

@@ -39,4 +39,8 @@ declare module "SubModule" {
 }
 //// [missingImportAfterModuleImport_1.d.ts]
 /// <reference path='missingImportAfterModuleImport_0.d.ts' />
+declare class MainModule {
+    SubModule;
+    constructor ();
+}
 export = MainModule;