/**
 * Analytics explore caps — shared across backend and admin UI.
 *
 * Single source of truth for date-span limits, export row caps, and
 * drilldown pagination defaults (plan v1.3.1).
 */
export type ExploreCallerKind = 'admin_default' | 'admin_detailed_manage' | 'dev_single_tenant' | 'dev_scope_all';
export interface ExploreCapsForCaller {
    readonly maxDateSpanDays: number;
    readonly maxExportRows: number;
    readonly clampLast5Years: boolean;
}
export declare const ANALYTICS_EXPLORE_CAPS: Readonly<{
    readonly admin_default: Readonly<{
        maxDateSpanDays: 90;
        maxExportRows: 50000;
        clampLast5Years: true;
    }>;
    readonly admin_detailed_manage: Readonly<{
        maxDateSpanDays: 1825;
        maxExportRows: 50000;
        clampLast5Years: false;
    }>;
    readonly dev_single_tenant: Readonly<{
        maxDateSpanDays: 1825;
        maxExportRows: 50000;
        clampLast5Years: false;
    }>;
    readonly dev_scope_all: Readonly<{
        maxDateSpanDays: 31;
        maxExportRows: 10000;
        clampLast5Years: true;
    }>;
}>;
export declare const ANALYTICS_MAX_DISTINCT_EVENT_NAMES_PER_SESSION: 40;
export declare const ANALYTICS_DRILLDOWN_DEFAULT_PAGE_SIZE: 50;
export declare const ANALYTICS_DRILLDOWN_MAX_PAGE_SIZE: 200;
export declare const ANALYTICS_EXPLORE_SLOW_QUERY_MS: 800;
export declare const ANALYTICS_EXPLORE_STATEMENT_TIMEOUT_MS: 20000;
export declare function computeUtcDateSpanDaysInclusive(startDate: string, endDate: string): number;
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