extensions/typescript-language-features/src/experimentationService.ts/ExperimentTelemetryReporter/postEvent
class ExperimentTelemetryReporter:	postEvent(eventName: string, props: Map<string, string>): void {
		const propsObject = {
			...this._sharedProperties,
			...Object.fromEntries(props),
		};
		this._reporter.sendTelemetryEvent(eventName, propsObject);
	}