src/vs/workbench/services/remote/common/abstractRemoteAgentService.ts/AbstractRemoteAgentService/scanSingleExtension
class AbstractRemoteAgentService:	scanSingleExtension(extensionLocation: URI, isBuiltin: boolean): Promise<IExtensionDescription | null> {
		return this._withChannel(
			(channel, connection) => RemoteExtensionEnvironmentChannelClient.scanSingleExtension(channel, connection.remoteAuthority, isBuiltin, extensionLocation),
			null
		).then(undefined, () => null);
	}