src/vs/editor/contrib/colorPicker/browser/colorDetector.ts/ColorDetector/removeAllDecorations
class ColorDetector:	private removeAllDecorations(): void {
		this._editor.removeDecorations(this._decorationsIds);
		this._decorationsIds = [];
		this._colorDecoratorIds.clear();
		this._colorDecorationClassRefs.clear();
	}