import { Message, TransferTransaction } from 'tsjs-xpx-chain-sdk';
import { BlockchainNetworkConnection } from '../connection/blockchain-network-connection';
import { ProximaxMessagePayloadModel } from '../model/proximax/message-payload-model';
/**
 * The service class responsible for handling tasks that work with blockchain transaction messages
 */
export declare class BlockchainMessageService {
    readonly blockchainNetworkConnection: BlockchainNetworkConnection;
    private readonly networkType;
    private readonly accountClient;
    constructor(blockchainNetworkConnection: BlockchainNetworkConnection);
    /**
     * Create a transaction message
     * @param messagePayload the message payload
     * @param senderPrivateKey the private key of sender
     * @param recipientPublicKeyRaw an optional recipient public key (if different from signer)
     * @param recipientAddress the optional address (if different from signer)
     * @param useBlockchainSecureMessage the flag to indicate if to create secure message
     * @return the created transaction message
     */
    createMessage(messagePayload: ProximaxMessagePayloadModel, senderPrivateKey: string, useBlockchainSecureMessage: boolean, recipientPublicKeyRaw?: string, recipientAddress?: string): Promise<Message>;
    /**
     * Retrieves message payload from blockchain transaction
     * @param transferTransaction the blockchain transaction
     * @param accountPrivateKey the private key of either signer or recipient to read secure message
     * @return the message payload
     */
    getMessagePayload(transferTransaction: TransferTransaction, accountPrivateKey?: string): Promise<string>;
    private getTransactionOtherPartyPublicKey;
}