import CancellationToken from 'cancellationtoken';
import { RemoteServiceConnectionInfo } from './RemoteServiceConnectionInfo';
import { ServiceActivationOptions } from './ServiceActivationOptions';
import { ServiceBrokerClientMetadata } from './ServiceBrokerClientMetadata';
import { ServiceMoniker } from './ServiceMoniker';
import { ServiceBrokerEmitter } from './IServiceBroker';
/**
 * A service broker that can proffer services remotely.
 * Emits event when the availability of a service has changed.
 */
export interface IRemoteServiceBroker extends ServiceBrokerEmitter {
    /**
     * Establishes a connection with a client
     * @param clientMetadata Information about the client's capabilities
     * @param cancellationToken A cancellation token
     */
    handshake(clientMetadata: ServiceBrokerClientMetadata, cancellationToken?: CancellationToken): Promise<void>;
    /**
     * Requests information about how to connect to the given service
     * @param serviceMoniker The moniker for the service being requested
     * @param options The activation options for the service
     * @param cancellationToken A cancellation token
     * @returns An object that describes supported service connections. Never null or undefined, but may be empty if the requested service is not available.
     */
    requestServiceChannel(serviceMoniker: ServiceMoniker, options?: ServiceActivationOptions, cancellationToken?: CancellationToken): Promise<RemoteServiceConnectionInfo>;
    /**
     * Cancels a request for a service
     * @param serviceRequestId The GUID of the service request to cancel
     * @param cancellationToken A cancellation token
     */
    cancelServiceRequest(serviceRequestId: string, cancellationToken?: CancellationToken): Promise<void>;
}