src/vs/editor/contrib/wordHighlighter/browser/wordHighlighter.ts/WordHighlighter/_stopAll
class WordHighlighter:	private _stopAll(): void {
		// Remove any existing decorations
		this._removeDecorations();

		// Cancel any renderDecorationsTimer
		if (this.renderDecorationsTimer !== -1) {
			clearTimeout(this.renderDecorationsTimer);
			this.renderDecorationsTimer = -1;
		}

		// Cancel any worker request
		if (this.workerRequest !== null) {
			this.workerRequest.cancel();
			this.workerRequest = null;
		}

		// Invalidate any worker request callback
		if (!this.workerRequestCompleted) {
			this.workerRequestTokenId++;
			this.workerRequestCompleted = true;
		}
	}