import { Subject } from 'rxjs';
import { DeferredData, Rpc } from '../rpc';
import { RpcSubjectServer } from '../rpc-subject-server';
import { RpcSmeExtensionRequest } from './rpc-sme-extension-model';
import { RpcSmeExtensionRequestHandler } from './rpc-sme-extension-request-handler';
/**
 * Rpc extension subject interface.
 */
export interface RpcSmeExtensionSubject extends Subject<DeferredData<RpcSmeExtensionRequest, void>> {
}
/**
 * The class to implement Rpc extension with Subject server.
 */
export declare class RpcSmeExtensionSubjectServer extends RpcSubjectServer<RpcSmeExtensionRequest, void> implements RpcSmeExtensionRequestHandler {
    /**
     * Initializes a new instance of the RpcSmeExtensionSubjectServer class.
     */
    constructor(rpc: Rpc);
    /**
     * The handler to respond a request for Rpc extension call.
     *
     * @param data The extension object.
     * @returns return the Promise<void> object.
     */
    handler(data: RpcSmeExtensionRequest): Promise<void>;
}