src/vs/editor/browser/services/editorWorkerService.ts/EditorWorkerService/computeDirtyDiff
class EditorWorkerService:	public computeDirtyDiff(original: URI, modified: URI, ignoreTrimWhitespace: boolean): Promise<IChange[] | null> {
		return this._workerManager.withWorker().then(client => client.computeDirtyDiff(original, modified, ignoreTrimWhitespace));
	}