import { Message, PartialRequired } from '@unilogin/commons';
import { BlockchainService } from '@unilogin/contracts';
export declare class MessageConverter {
    private blockchainService;
    constructor(blockchainService: BlockchainService);
    messageToSignedMessage(message: PartialRequired<Message, 'from'>, privateKey: string): Promise<import("@unilogin/commons").SignedMessage>;
}
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