src/vs/editor/contrib/wordHighlighter/browser/wordHighlighter.ts/TextualOccurenceAtPositionRequest/isValid
class TextualOccurenceAtPositionRequest:	public override isValid(model: ITextModel, selection: Selection, decorationIds: string[]): boolean {
		const currentSelectionIsEmpty = selection.isEmpty();
		if (this._selectionIsEmpty !== currentSelectionIsEmpty) {
			return false;
		}
		return super.isValid(model, selection, decorationIds);
	}