import type * as lark from '@larksuiteoapi/node-sdk';
import type { FeishuBotOptions } from './types.js';
import type { IdentityState } from './identity.js';
import type { MentionState } from './mentions.js';
export declare function handleMessageEvent(data: Record<string, unknown>, client: lark.Client, identityState: IdentityState, mentionState: MentionState, opts: FeishuBotOptions): Promise<void>;
export declare function downloadResource(client: lark.Client, messageId: string, fileKey: string, resourceType: string, suggestedName: string, downloadDir: string): Promise<string | null>;
//# sourceMappingURL=receiver.d.ts.map