import type { FilterValue } from '../FilterContext';
/**
 * Validates and sanitizes filter data parsed from a URL query parameter.
 *
 * Protects against:
 * - Non-object payloads (arrays, primitives, null)
 * - Prototype pollution keys (__proto__, constructor, prototype)
 * - Entries that don't match the FilterValue shape
 */
export declare function sanitizeUrlFilters(raw: unknown): Record<string, FilterValue>;