extensions/typescript-language-features/src/experimentTelemetryReporter.ts/ExperimentationTelemetryReporter/postEventObj
class ExperimentationTelemetryReporter:	postEventObj(eventName: string, props: { [prop: string]: string }) {
		this._reporter.sendTelemetryEvent(eventName, {
			...this._sharedProperties,
			...props,
		});
	}