diff --git a/tests/cases/fourslash/server/goToSource10_mapFromAtTypes3.ts b/tests/cases/fourslash/server/goToSource10_mapFromAtTypes3.ts
new file mode 100644
index 00000000000..be26ec1da25
--- /dev/null
+++ b/tests/cases/fourslash/server/goToSource10_mapFromAtTypes3.ts
@@ -0,0 +1,69 @@
+/// <reference path="../fourslash.ts" />
+
+// @moduleResolution: node
+
+// @Filename: /node_modules/lodash/package.json
+//// { "name": "lodash", "version": "4.17.15", "main": "./lodash.js" }
+
+// @Filename: /node_modules/lodash/lodash.js
+//// ;(function() {
+////     /**
+////      * Adds two numbers.
+////      *
+////      * @static
+////      * @memberOf _
+////      * @since 3.4.0
+////      * @category Math
+////      * @param {number} augend The first number in an addition.
+////      * @param {number} addend The second number in an addition.
+////      * @returns {number} Returns the total.
+////      * @example
+////      *
+////      * _.add(6, 4);
+////      * // => 10
+////      */
+////     var [|add|] = createMathOperation(function(augend, addend) {
+////      return augend + addend;
+////     }, 0);
+////
+////     function lodash(value) {}
+////     lodash.[|add|] = add;
+////
+////     /** Detect free variable `global` from Node.js. */
+////     var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;
+////     /** Detect free variable `self`. */
+////     var freeSelf = typeof self == 'object' && self && self.Object === Object && self;
+////     /** Used as a reference to the global object. */
+////     var root = freeGlobal || freeSelf || Function('return this')();
+////     /** Detect free variable `exports`. */
+////     var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;////     
+////     /** Detect free variable `module`. */
+////     var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;
+////     if (freeModule) {
+////       // Export for Node.js.
+////       (freeModule.exports = _)._ = _;
+////       // Export for CommonJS support.
+////       freeExports._ = _;
+////     }
+////     else {
+////       // Export to the global object.
+////       root._ = _;
+////     }
+//// }.call(this));
+
+// @Filename: /node_modules/@types/lodash/package.json
+//// { "name": "@types/lodash", "version": "4.14.97", "types": "index.d.ts" }
+
+// @Filename: /node_modules/@types/lodash/index.d.ts
+//// export = _;
+//// export as namespace _;
+//// declare const _: _.LoDashStatic;
+//// declare namespace _ {
+////     interface LoDashStatic {}
+//// }
+
+
+// @Filename: /index.ts
+//// import { /*start*/add } from 'lodash';
+
+verify.allRangesAppearInImplementationList("start");
diff --git a/tests/cases/fourslash/server/goToSource9_mapFromAtTypes2.ts b/tests/cases/fourslash/server/goToSource9_mapFromAtTypes2.ts
new file mode 100644
index 00000000000..24da3624397
--- /dev/null
+++ b/tests/cases/fourslash/server/goToSource9_mapFromAtTypes2.ts
@@ -0,0 +1,79 @@
+/// <reference path="../fourslash.ts" />
+
+// @moduleResolution: node
+
+// @Filename: /node_modules/lodash/package.json
+//// { "name": "lodash", "version": "4.17.15", "main": "./lodash.js" }
+
+// @Filename: /node_modules/lodash/lodash.js
+//// [||];(function() {
+////     /**
+////      * Adds two numbers.
+////      *
+////      * @static
+////      * @memberOf _
+////      * @since 3.4.0
+////      * @category Math
+////      * @param {number} augend The first number in an addition.
+////      * @param {number} addend The second number in an addition.
+////      * @returns {number} Returns the total.
+////      * @example
+////      *
+////      * _.add(6, 4);
+////      * // => 10
+////      */
+////     var add = createMathOperation(function(augend, addend) {
+////      return augend + addend;
+////     }, 0);
+////
+////     function lodash(value) {}
+////     lodash.add = add;
+////
+////     /** Detect free variable `global` from Node.js. */
+////     var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;
+////     /** Detect free variable `self`. */
+////     var freeSelf = typeof self == 'object' && self && self.Object === Object && self;
+////     /** Used as a reference to the global object. */
+////     var root = freeGlobal || freeSelf || Function('return this')();
+////     /** Detect free variable `exports`. */
+////     var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;////     
+////     /** Detect free variable `module`. */
+////     var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;
+////     if (freeModule) {
+////       // Export for Node.js.
+////       (freeModule.exports = _)._ = _;
+////       // Export for CommonJS support.
+////       freeExports._ = _;
+////     }
+////     else {
+////       // Export to the global object.
+////       root._ = _;
+////     }
+//// }.call(this));
+
+// @Filename: /node_modules/@types/lodash/package.json
+//// { "name": "@types/lodash", "version": "4.14.97", "types": "index.d.ts" }
+
+// @Filename: /node_modules/@types/lodash/index.d.ts
+//// /// <reference path="./common/math.d.ts" />
+//// export = _;
+//// export as namespace _;
+//// declare const _: _.LoDashStatic;
+//// declare namespace _ {
+////     interface LoDashStatic {}
+//// }
+
+// @Filename: /node_modules/@types/lodash/common/math.d.ts
+//// import _ = require("../index");
+//// declare module "../index" {
+////     interface LoDashStatic {
+////         add(augend: number, addend: number): number;
+////     }
+//// }
+
+// @Filename: /index.ts
+//// import /*defaultImport*/_, { /*unresolvableNamedImport*/foo } from /*moduleSpecifier*/'lodash';
+
+verify.allRangesAppearInImplementationList("defaultImport");
+verify.allRangesAppearInImplementationList("unresolvableNamedImport");
+verify.allRangesAppearInImplementationList("moduleSpecifier");