src/vs/workbench/browser/parts/editor/editorAutoSave.ts/EditorAutoSave/discardAutoSave
class EditorAutoSave:	private discardAutoSave(workingCopy: IWorkingCopy): void {
		dispose(this.pendingAutoSavesAfterDelay.get(workingCopy));
		this.pendingAutoSavesAfterDelay.delete(workingCopy);
	}