message: Limit import list to what is actually needed
diff: import * as assert from "assert";
  -import * as Collections from "../collections";
  +import { IInterval, IntervalTree } from "../collections";
  -class TestInterval implements Collections.IInterval {
  +class TestInterval implements IInterval {
  constructor(
  public start: number,
  public end: number) { }
  @@ -32,10 +32,10 @@ class TestInterval implements Collections.IInterval {
  }
  describe("Collections.IntervalTree", () => {
  - let intervalTree: Collections.IntervalTree<Collections.IInterval>;
  + let intervalTree: IntervalTree<IInterval>;
  beforeEach(() => {
  - intervalTree = new Collections.IntervalTree<Collections.IInterval>();
  + intervalTree = new IntervalTree<IInterval>();
  });
  describe(".map", () => {
  