import { Crypto } from '../../crypto';
import { type Message } from '../../message/messages';
import { type KeyPair } from '../types';
import { type ProcessorAction, type MessageProcessor } from './message-processor';
export declare class V1MessageProcessor implements MessageProcessor {
    private readonly sender;
    private readonly crypto;
    constructor(sender: Uint8Array, crypto?: Crypto);
    init(): Promise<ProcessorAction | undefined>;
    processMessage(message: Message, keyPair: KeyPair): Promise<ProcessorAction | undefined>;
    prepareMessage(recipient: Uint8Array, payload: Uint8Array): Promise<Message>;
    private onChallenge;
    private onAccepted;
    private onPayload;
}
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