/**
 * Decoding the `card.action.trigger` event envelope, and encoding a card
 * action handler's answer back into Feishu's own callback ACK shape.
 */
import type { TransportLogger } from '../transport/diagnostics.js';
export interface FeishuCardActionEvent {
    operatorOpenId?: string;
    actionValue: Record<string, unknown>;
    /**
     * What the user typed, for an `input` that carries its own callback. Feishu
     * sends it as `action.input_value`, outside `action.value`, and only a
     * form-less input ever reports one: inside a `form` the text is withheld
     * until submit and arrives as `form_value` instead.
     */
    inputValue?: string;
    openChatId?: string;
    openMessageId?: string;
    raw: unknown;
}
export declare function normalizeCardActionEvent(raw: unknown): FeishuCardActionEvent;
export declare function normalizeCardActionAck(value: unknown, logger: TransportLogger | undefined): Record<string, unknown>;
//# sourceMappingURL=card-action.d.ts.map