src/vs/workbench/contrib/update/browser/releaseNotesEditor.ts/ReleaseNotesManager/addGAParameters
class ReleaseNotesManager:	private async addGAParameters(uri: URI, origin: string, experiment = '1'): Promise<URI> {
		if (this._environmentService.isBuilt && !this._environmentService.isExtensionDevelopment && !this._environmentService.disableTelemetry && !!this._productService.enableTelemetry) {
			if (uri.scheme === 'https' && uri.authority === 'code.visualstudio.com') {
				const info = await this._telemetryService.getTelemetryInfo();

				return uri.with({ query: `${uri.query ? uri.query + '&' : ''}utm_source=VsCode&utm_medium=${encodeURIComponent(origin)}&utm_campaign=${encodeURIComponent(info.instanceId)}&utm_content=${encodeURIComponent(experiment)}` });
			}
		}
		return uri;
	}