import { Observable } from 'rxjs';
import { MessageResponse } from './message-response.type';
import { Message } from './message.interface';
import { GET_NEW_ID, RESPONSES$, SEND } from './selectors';
/**
 * Message Client
 */
export declare abstract class MessageClient {
    /**
     * Emits all messages got from hosts
     */
    protected abstract readonly [RESPONSES$]: Observable<MessageResponse>;
    /**
     * Request decorators use this method to send messages
     *
     * @param message Message payload to send
     */
    protected abstract [SEND](message: Message): void;
    /**
     * Request decorators use this method to get unique message id all accross the platform
     */
    protected abstract [GET_NEW_ID](): string;
}