src/vs/editor/contrib/parameterHints/browser/parameterHintsModel.ts/ParameterHintsModel/onCursorChange
class ParameterHintsModel:	private onCursorChange(e: ICursorSelectionChangedEvent): void {
		if (e.source === 'mouse') {
			this.cancel();
		} else if (this.isTriggered) {
			this.trigger({ triggerKind: languages.SignatureHelpTriggerKind.ContentChange });
		}
	}