import type { ImapFlow } from "imapflow";
import type { Transporter } from "nodemailer";
import type { MailProvider, ProviderCapabilities, EmailSummary, EmailMessage, EmailThread, Label, SendOptions, ReplyOptions, ForwardOptions, DraftOptions, DraftSummary, UnreadCount, ExportedMessage } from "./interface.js";
export declare class ImapProvider implements MailProvider {
    private imap;
    private smtp;
    private email;
    readonly type = "imap";
    readonly capabilities: ProviderCapabilities;
    private specialFolderCache;
    constructor(imap: ImapFlow, smtp: Transporter, email: string);
    private findSpecialFolder;
    searchMessages(query: string, maxResults?: number, folder?: string): Promise<EmailSummary[]>;
    findMessageIds(query: string, folder?: string, maxResults?: number): Promise<string[]>;
    private searchByText;
    /**
     * Scan the tail of the open mailbox and match the query against the decoded
     * envelope (subject, from address, from name). Capped to avoid runaway scans
     * on large mailboxes. Returns UIDs to match the searchByText contract.
     */
    private clientSideEnvelopeSearch;
    /** Fetch the N most recent UIDs from the currently locked mailbox. */
    private listRecentUids;
    readMessage(messageId: string): Promise<EmailMessage>;
    private fetchMessage;
    readThread(threadId: string): Promise<EmailThread>;
    sendMessage(to: string[], subject: string, body: string, options?: SendOptions): Promise<string>;
    replyToMessage(messageId: string, body: string, options?: ReplyOptions): Promise<string>;
    forwardMessage(messageId: string, to: string[], options?: ForwardOptions): Promise<string>;
    createDraft(to: string[], subject: string, body: string, options?: DraftOptions): Promise<string>;
    trashMessages(messageIds: string[]): Promise<void>;
    listLabels(): Promise<Label[]>;
    createLabel(name: string): Promise<Label>;
    deleteLabel(labelId: string): Promise<void>;
    modifyLabels(messageId: string, add: string[], remove: string[]): Promise<void>;
    batchModifyLabels(messageIds: string[], add: string[], remove: string[]): Promise<void>;
    downloadAttachment(messageId: string, attachmentId: string): Promise<{
        filename: string;
        data: Buffer;
        mimeType: string;
    }>;
    inboxSummary(): Promise<{
        total: number;
        unread: number;
        recent: EmailSummary[];
    }>;
    markRead(messageId: string, read: boolean): Promise<void>;
    starMessage(messageId: string, starred: boolean): Promise<void>;
    archiveMessage(messageId: string): Promise<void>;
    listDrafts(maxResults?: number): Promise<DraftSummary[]>;
    hasCorrespondedWith(address: string): Promise<boolean>;
    getDraftRecipients(draftId: string): Promise<string[]>;
    draftFingerprint(draftId: string): Promise<string>;
    sendDraft(draftId: string): Promise<string>;
    countUnreadByLabel(): Promise<UnreadCount[]>;
    exportMessage(messageId: string): Promise<ExportedMessage>;
    messagesSince(since: string, folder?: string, maxResults?: number): Promise<EmailSummary[]>;
}