src/vs/workbench/browser/parts/editor/editorAutoSave.ts/EditorAutoSave/saveAllDirty
class EditorAutoSave:	private saveAllDirty(options?: ISaveOptions): void {
		for (const workingCopy of this.workingCopyService.dirtyWorkingCopies) {
			if (!(workingCopy.capabilities & WorkingCopyCapabilities.Untitled)) {
				workingCopy.save(options);
			}
		}
	}