import { type FeishuMessageResourceType } from './feishu-file.service.js';
export interface FeishuMessageAttachmentMeta {
    fileId: string;
    fileKey: string;
    messageId: string;
    mimetype: string;
    name: string;
    providedName?: string;
    resourceType: FeishuMessageResourceType;
    sizeBytes?: number;
}
export declare function parseFeishuContent(content: string | undefined): Record<string, unknown> | undefined;
export declare function feishuMessageAttachmentsFromContent(input: {
    content: Record<string, unknown> | undefined;
    messageId: string;
    messageType: string | undefined;
}): FeishuMessageAttachmentMeta[];
export declare function feishuPostPlainTextFromContent(content: Record<string, unknown> | undefined): string | undefined;
//# sourceMappingURL=message-content.d.ts.map