src/vs/editor/contrib/parameterHints/browser/parameterHintsWidget.ts/ParameterHintsWidget/hide
class ParameterHintsWidget:	private hide(): void {
		this.renderDisposeables.clear();

		if (!this.visible) {
			return;
		}

		this.keyVisible.reset();
		this.visible = false;
		this.announcedLabel = null;
		this.domNodes?.element.classList.remove('visible');
		this.editor.layoutContentWidget(this);
	}