import { AnswerAck } from './AnswerAck';
import { Codec } from './Codec';
import { MessageDTO } from './MessageDTO';
import { ReceivedAck } from './ReceivedAck';
import { SendDataFunction } from './SendDataFunction';
/**
 * Data sender side of a message system
*/
export declare class Sender {
    private readonly codec;
    private readonly receivedAck;
    private readonly answerAck;
    private readonly sendData;
    private messageId;
    private latestMessageReceived;
    constructor(codec: Codec<MessageDTO>, receivedAck: ReceivedAck, answerAck: AnswerAck, sendData: SendDataFunction);
    /**
     * Creates ACK promises to get shared data with the current process
     * while the message is being processed
     * @returns - [ message-received (ACK Promise), message-answer (ACK Promise), id (to identify responses) ]
    */
    private createAckInterfaces;
    /**
     * Send messages to another process and get back information (answer)
     * @param target - Type of the message
     * @param data - Args sahred to the other process
     * @returns - Answer Promise
    */
    postMessage(target: string, data: unknown): Promise<unknown>;
}