export type VcMeetingPreparationQaMode = 'off' | 'auto';
export interface VcMeetingPreparationRecord {
    larkAppId: string;
    meetingNo: string;
    meetingLink?: string;
    topic?: string;
    prepChatId: string;
    agentAppId: string;
    agentSessionId?: string;
    ownerOpenId?: string;
    qaMode: VcMeetingPreparationQaMode;
    createdAt: number;
    updatedAt: number;
}
export declare function normalizeVcMeetingNumber(value: unknown): string | undefined;
export declare function putVcMeetingPreparation(dataDir: string, input: Omit<VcMeetingPreparationRecord, 'createdAt' | 'updatedAt'>): VcMeetingPreparationRecord;
export declare function getVcMeetingPreparation(dataDir: string, larkAppId: string, meetingNo: string): VcMeetingPreparationRecord | undefined;
export declare function listVcMeetingPreparations(dataDir: string, larkAppId: string): VcMeetingPreparationRecord[];
export declare function findVcMeetingPreparationByChat(dataDir: string, larkAppId: string, prepChatId: string): VcMeetingPreparationRecord | undefined;
export declare function removeVcMeetingPreparation(dataDir: string, larkAppId: string, meetingNo: string): VcMeetingPreparationRecord | undefined;
export declare function removeVcMeetingPreparationsByChat(dataDir: string, larkAppId: string, prepChatId: string): number;
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