import type { PampIdentity, PampAgreement, PampEnvelopeHeader, PampMessage } from './types.js';
export declare class PampClient {
    private identity;
    constructor(identity: PampIdentity);
    private headers;
    private url;
    private request;
    /**
     * Register a new mailbox at a Post Office.
     * This is a static method — no identity needed yet.
     */
    static register(postOffice: string, displayName: string, preferredId?: string): Promise<PampIdentity>;
    getMailboxInfo(mailboxId: string): Promise<{
        mailbox_id: string;
        display_name: string;
        public_key: string;
    }>;
    rotateApiKey(): Promise<string>;
    requestAgreement(toAddress: string, type?: 'bilateral' | 'unilateral'): Promise<PampAgreement>;
    listPendingAgreements(): Promise<PampAgreement[]>;
    acceptAgreement(agreementId: string): Promise<PampAgreement>;
    declineAgreement(agreementId: string): Promise<void>;
    revokeAgreement(agreementId: string): Promise<void>;
    getAgreement(agreementId: string): Promise<PampAgreement>;
    sendMessage(toAddress: string, body: string, contentType?: string, replyToId?: string): Promise<PampMessage>;
    listMessages(options?: {
        unread?: boolean;
    }): Promise<PampEnvelopeHeader[]>;
    fetchMessage(messageId: string): Promise<string>;
    fetchAndDecryptMessage(messageId: string): Promise<PampMessage>;
    markRead(messageId: string): Promise<void>;
    listThreads(): Promise<Array<{
        thread_id: string;
        message_count: number;
        latest_message_id: string;
        latest_created_at: string;
    }>>;
}
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