/**
 * Adds labels via `users.messages.modify` (addLabelIds); confirms the applied
 * labels. (Matches `label_thread`, whose thread response carries no single label
 * set, so both tools report the labels acted on rather than the resulting state.)
 */
export declare const label_message: import("../../../lib/operation.js").Operation<import("@googleapis/gmail").gmail_v1.Gmail, import("zod").ZodObject<{
    messageId: import("zod").ZodString;
    labelIds: import("zod").ZodArray<import("zod").ZodString>;
}, import("zod/v4/core").$strict>, import("zod").ZodObject<{
    messageId: import("zod").ZodString;
    labelIds: import("zod").ZodArray<import("zod").ZodString>;
}, import("zod/v4/core").$strip>>;
//# sourceMappingURL=index.d.ts.map