/**
 * Property Security Utilities
 *
 * Centralized protection against prototype pollution attacks.
 * Used by query evaluator, modification setter, and filter evaluator.
 *
 * Task 002: Consolidated from duplicated definitions in:
 * - src/query/evaluator.ts
 * - src/modification/setter.ts
 * - src/query/filter-evaluator.ts
 */
/**
 * Dangerous property names that could lead to prototype pollution.
 * These properties are blocked in all query and modification operations.
 */
export declare const DANGEROUS_PROPERTIES: Set<string>;
/**
 * Check if a property name is dangerous (prototype pollution risk)
 *
 * @param propertyName - The property name to check
 * @returns True if the property name could cause prototype pollution
 */
export declare function isDangerousProperty(propertyName: string): boolean;
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