export interface AnalysisHistory {
    id?: number;
    analysisDate: Date;
    periodStart: Date;
    periodEnd: Date;
    totalRevenue: number;
    totalOrders: number;
    uniqueCustomers: number;
    createdAt?: Date;
}
export declare function createAnalysisHistoryTable(db: any): void;
export declare function saveAnalysisHistory(db: any, history: Omit<AnalysisHistory, 'id' | 'createdAt'>): AnalysisHistory;
export declare function getAnalysisHistory(db: any, limit?: number): AnalysisHistory[];
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