/**
 * Irreversible: assembles an RFC 822 message and sends it immediately. When
 * `replyToMessageId` is given, the original is fetched for its thread and
 * Message-ID so the reply threads correctly. When `attachments` is given, the
 * named local files are read and assembled into the raw message (issue #101).
 */
export declare const send_message: import("../../../lib/operation.js").Operation<import("@googleapis/gmail").gmail_v1.Gmail, import("zod").ZodObject<{
    to: import("zod").ZodArray<import("zod").ZodString>;
    cc: import("zod").ZodOptional<import("zod").ZodArray<import("zod").ZodString>>;
    bcc: import("zod").ZodOptional<import("zod").ZodArray<import("zod").ZodString>>;
    subject: import("zod").ZodOptional<import("zod").ZodString>;
    body: import("zod").ZodOptional<import("zod").ZodString>;
    htmlBody: import("zod").ZodOptional<import("zod").ZodString>;
    replyToMessageId: import("zod").ZodOptional<import("zod").ZodString>;
    attachments: import("zod").ZodOptional<import("zod").ZodArray<import("zod").ZodObject<{
        path: import("zod").ZodString;
        filename: import("zod").ZodOptional<import("zod").ZodString>;
        mimeType: import("zod").ZodOptional<import("zod").ZodString>;
    }, import("zod/v4/core").$strict>>>;
}, import("zod/v4/core").$strict>, import("zod").ZodObject<{
    id: import("zod").ZodString;
    snippet: import("zod").ZodOptional<import("zod").ZodString>;
    subject: import("zod").ZodOptional<import("zod").ZodString>;
    sender: import("zod").ZodOptional<import("zod").ZodObject<{
        name: import("zod").ZodOptional<import("zod").ZodString>;
        address: import("zod").ZodString;
    }, import("zod/v4/core").$strip>>;
    toRecipients: import("zod").ZodOptional<import("zod").ZodArray<import("zod").ZodObject<{
        name: import("zod").ZodOptional<import("zod").ZodString>;
        address: import("zod").ZodString;
    }, import("zod/v4/core").$strip>>>;
    ccRecipients: import("zod").ZodOptional<import("zod").ZodArray<import("zod").ZodObject<{
        name: import("zod").ZodOptional<import("zod").ZodString>;
        address: import("zod").ZodString;
    }, import("zod/v4/core").$strip>>>;
    date: import("zod").ZodOptional<import("zod").ZodString>;
    plaintextBody: import("zod").ZodOptional<import("zod").ZodString>;
    htmlBody: import("zod").ZodOptional<import("zod").ZodString>;
    attachmentIds: import("zod").ZodOptional<import("zod").ZodArray<import("zod").ZodString>>;
}, import("zod/v4/core").$strip>>;
//# sourceMappingURL=index.d.ts.map