import { IdentityService } from '../identity/identity.service';
import { RegistryService } from '../registry/registry.service';
import { layr8 } from '@layr8/proto';
import { IMessageType } from '@protobuf-ts/runtime';
import { IClientService } from '@layr8/plugin-sdk';
export declare class ClientService implements IClientService {
    private readonly identityService;
    private readonly registryClientService;
    constructor(identityService: IdentityService, registryClientService: RegistryService);
    /**
     * Sends a generic protocol-buffer message to a remote twin.
     * @param toDIDs[] The list of recipients.
     * @param payloadType The type of message to send. eg. layr8.examples.v1.Ping
     * @param payload The binary-encoded message to send. eg. layr8.examples.v1.Ping.toBinary(ping)
     * @returns A promise that resolves to void.
     * @throws An error if the message could not be sent.
        */
    send(toDIDs: layr8.identity.v1.DID[], payloadType: IMessageType<any>, payload: Uint8Array): Promise<void>;
    private sendOne;
}