src/vs/editor/contrib/gotoSymbol/peek/referencesWidget.ts/DecorationsManager/_onModelChanged
class DecorationsManager:	private _onModelChanged(): void {
		this._callOnModelChange.clear();
		const model = this._editor.getModel();
		if (!model) {
			return;
		}
		for (let ref of this._model.references) {
			if (ref.uri.toString() === model.uri.toString()) {
				this._addDecorations(ref.parent);
				return;
			}
		}
	}