import { ProximaxDataModel } from '../model/proximax/data-model';
import { ProximaxMessagePayloadModel } from '../model/proximax/message-payload-model';
import { UploadParameter } from '../upload/upload-parameter';
/**
 * The service class responsible for retrieving message payload from transaction
 */
export declare class CreateProximaxMessagePayloadService {
    /**
     * Retrieves message payload
     * @param transferTransaction the blockchain transaction
     * @param accountPrivateKey the private key of either signer or recipient to read secure message
     * @return the message payload
     */
    createMessagePayload(uploadParameter: UploadParameter, uploadedData: ProximaxDataModel): ProximaxMessagePayloadModel;
}