/**
 * @fileoverview Guard functions for validating and clamping search parameters.
 * Ensures safe limits for search operations to protect UI performance.
 */
/** Default maximum results to return */
export declare const DEFAULT_MAX_RESULTS = 25;
/** Minimum allowed max results */
export declare const MIN_MAX_RESULTS = 10;
/** Hard cap for max results - protects DOM from rendering too many items */
export declare const HARD_CAP_MAX_RESULTS = 500;
/** Default threshold for offloading to Web Worker */
export declare const DEFAULT_WORKER_THRESHOLD = 2000;
/** Minimum worker threshold (0 = always use worker) */
export declare const MIN_WORKER_THRESHOLD = 0;
/** Maximum worker threshold */
export declare const MAX_WORKER_THRESHOLD = 50000;
/** Default fuzzy threshold (0-1, lower = stricter) */
export declare const DEFAULT_FUZZY_THRESHOLD = 0.3;
/** Default debounce delay for strict/smart modes (ms) */
export declare const DEFAULT_DEBOUNCE_DELAY = 150;
/** Debounce delay for fuzzy mode (ms) */
export declare const FUZZY_DEBOUNCE_DELAY = 300;
/**
 * Clamps the maxResults value to safe limits.
 * - Minimum: 10
 * - Default: 200
 * - Hard cap: 500
 *
 * @param {number} [value] - The maxResults value to clamp (undefined uses default)
 * @returns {number} The clamped maxResults value
 *
 * @example
 * clampMaxResults(undefined) // 200 (default)
 * clampMaxResults(5) // 10 (minimum)
 * clampMaxResults(1000) // 500 (hard cap)
 * clampMaxResults(100) // 100 (valid)
 */
export declare function clampMaxResults(value?: number): number;
/**
 * Clamps the workerThreshold value to safe limits.
 * - Minimum: 0 (always use worker)
 * - Default: 2000
 * - Maximum: 50000
 *
 * @param {number} [value] - The workerThreshold value to clamp (undefined uses default)
 * @returns {number} The clamped workerThreshold value
 *
 * @example
 * clampWorkerThreshold(undefined) // 2000 (default)
 * clampWorkerThreshold(-100) // 0 (minimum)
 * clampWorkerThreshold(100000) // 50000 (maximum)
 * clampWorkerThreshold(5000) // 5000 (valid)
 */
export declare function clampWorkerThreshold(value?: number): number;
/**
 * Clamps the fuzzyThreshold value to valid range.
 * - Minimum: 0 (strictest)
 * - Default: 0.3
 * - Maximum: 1 (most permissive)
 *
 * @param {number} [value] - The fuzzyThreshold value to clamp (undefined uses default)
 * @returns {number} The clamped fuzzyThreshold value
 *
 * @example
 * clampFuzzyThreshold(undefined) // 0.3 (default)
 * clampFuzzyThreshold(-0.5) // 0 (minimum)
 * clampFuzzyThreshold(1.5) // 1 (maximum)
 * clampFuzzyThreshold(0.5) // 0.5 (valid)
 */
export declare function clampFuzzyThreshold(value?: number): number;