src/vs/workbench/api/common/extHostTelemetry.ts/ExtHostTelemetryLogger/logEvent
class ExtHostTelemetryLogger:	private logEvent(eventName: string, data?: Record<string, any>): void {
		// If it's a built-in extension (vscode publisher) we don't prefix the publisher and only the ext name
		if (this._extension.publisher === 'vscode') {
			eventName = this._extension.name + '/' + eventName;
		} else {
			eventName = this._extension.identifier.value + '/' + eventName;
		}
		data = this.mixInCommonPropsAndCleanData(data || {});
		if (!this._inLoggingOnlyMode) {
			this._appender.logEvent(eventName, data);
		}
		this._logger.trace(eventName, data);
	}