import type { SupabaseClient } from "@supabase/supabase-js";
export declare const CALENDAR_FRESHNESS_MAX_MINUTES = 10;
export type IcalImportRow = {
    id: string;
    name: string | null;
    platform_source: string | null;
    sync_status: string | null;
    last_synced_at: string | null;
    error_message: string | null;
};
export type CalendarFreshnessResult = {
    safe: boolean;
    reason: string | null;
    checked_at: string;
    max_age_minutes: number;
    active_import_count: number;
    checked_sources: string[];
    stale_sources: string[];
    error_sources: string[];
    latest_synced_at: string | null;
};
export declare function checkIcalImportFreshness(supabase: SupabaseClient, propertyId: string, checkedAt: Date): Promise<CalendarFreshnessResult>;
export declare function calendarFreshnessUnavailablePayload(propertyId: string, checkIn: string, checkOut: string, calendarFreshness: CalendarFreshnessResult): {
    propertyId: string;
    checkIn: string;
    checkOut: string;
    available: boolean;
    reasonCode: string;
    reason: string;
    calendar_freshness: CalendarFreshnessResult;
    agentGuidance: string;
};