import type { ValidationRule, PasswordStrengthRule } from '../types';
/**
 * Cached validation function to avoid repeated expensive validations
 */
export declare const validateValueCached: (value: any, rules: ValidationRule[], formValues?: Record<string, any>) => Promise<string[]>;
/**
 * Optimized password strength calculator with progressive enhancement
 */
export declare function calculatePasswordStrengthOptimized(password: string, rules?: PasswordStrengthRule[]): number;
/**
 * Debounced validation hook for forms
 */
export declare function useDebouncedValidation(debounceMs?: number): (value: any, rules: ValidationRule[], formValues?: Record<string, any> | undefined) => void;
/**
 * Batch validation for multiple fields
 */
export declare function validateMultipleFields(fieldsData: Array<{
    name: string;
    value: any;
    rules: ValidationRule[];
}>, formValues?: Record<string, any>): Promise<Record<string, string[]>>;
/**
 * Clear validation caches (useful for memory management)
 */
export declare function clearValidationCaches(): void;
/**
 * Get validation cache statistics for monitoring
 */
export declare function getValidationCacheStats(): {
    validationCacheSize: number;
    passwordStrengthCacheSize: number;
    oldestEntry: number;
};