import type { ProductInsightsReport, ProductInsightsReport_Report } from '../../types/product-intelligence.js';
/**
 * Generates a product insights report by querying Supabase telemetry_events.
 * Throws if the HTTP request fails — caller should handle and return isError.
 */
export declare function generateProductInsights(report: ProductInsightsReport_Report, periodDays?: number): Promise<ProductInsightsReport>;
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