/**
 * Availability Resolver — Source of Truth
 *
 * Checks three layers:
 *   1. property_blocked_dates (iCal syncs, manual blocks)
 *   2. bookings (confirmed, pending)
 *   3. booking_locks (temporary holds during checkout)
 */
import { SupabaseClient } from "@supabase/supabase-js";
export interface AvailabilityResult {
    propertyId: string;
    checkIn: string;
    checkOut: string;
    available: boolean;
    reason?: string;
}
export declare function checkAvailability(supabase: SupabaseClient, propertyId: string, checkIn: string, checkOut: string, excludeBookingId?: string): Promise<AvailabilityResult>;