import type { EmailConfig } from "./credentials.js";
import { buildMailOptions } from "./smtp.js";
/** Inputs shared by email-draft (compose new) and email-draft-edit (compose replacement). */
export interface DraftComposeParams {
    to: string;
    subject?: string;
    body: string;
    html?: string;
    cc?: string[];
    bcc?: string[];
    attachments?: string[];
    /** When set, compose a threaded draft-reply to this Message-ID. */
    messageId?: string;
}
export interface ComposedDraft {
    raw: Buffer;
    resolvedSubject: string;
    /** The parent Message-ID when threaded, else null. */
    threadedParentId: string | null;
    /**
     * The draft's own Message-ID, stamped into `raw`. This is the stable identity
     * an edit uses to re-locate the draft after Gmail renumbers its UID.
     */
    draftMessageId: string;
    attachments: Array<{
        filename: string;
        path: string;
    }>;
}
/**
 * Compile the shared mail options into raw RFC822 bytes via nodemailer's own composer.
 *
 * MimeNode strips the Bcc header at build time by default (correct for SMTP,
 * where the envelope carries BCC). A stored draft has no envelope — the bytes
 * are the only recipient carrier — so keep the header. Property-only switch:
 * the constructor option form is ignored by MailComposer.
 */
export declare function composeRaw(options: ReturnType<typeof buildMailOptions>): Promise<Buffer>;
/**
 * Shared draft compose used by both email-draft and email-draft-edit: resolves
 * attachment paths, resolves threading when a parent messageId is supplied, and
 * compiles the MIME bytes.
 *
 * Threaded (messageId set): resolves the parent via IMAP; a missing parent
 * throws verbatim and nothing is composed. In-Reply-To/References carry the
 * parent Message-ID and the subject is a Re:-prefixed copy of the parent's,
 * exactly like email-reply — so the subject argument is ignored on this path.
 *
 * Standalone (messageId unset): the subject argument is required.
 */
export declare function composeDraft(config: EmailConfig, password: string, accountId: string, params: DraftComposeParams): Promise<ComposedDraft>;
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