/**
 * NormalizerRegistry - Central registry for parameter normalizers
 *
 * Manages registration and retrieval of normalizers by name.
 * Normalizers are registered at startup and looked up during
 * schema-driven dispatch.
 *
 * @see Issue #243 - Unified search with normalizer architecture
 */
import type { Normalizer } from './types.js';
/**
 * Registry for managing parameter normalizers.
 *
 * Provides a centralized location for registering and retrieving
 * normalizers used by the schema-driven dispatch system.
 *
 * @example
 * ```typescript
 * // Register a normalizer
 * NormalizerRegistry.register(new SearchParamsNormalizer());
 *
 * // Retrieve by name
 * const normalizer = NormalizerRegistry.get('searchParams');
 * ```
 */
export declare class NormalizerRegistry {
    private static readonly normalizers;
    /**
     * Register a normalizer.
     *
     * @param normalizer - The normalizer to register
     * @throws Error if a normalizer with the same name is already registered
     */
    static register(normalizer: Normalizer): void;
    /**
     * Unregister a normalizer by name.
     *
     * @param name - The normalizer name to unregister
     * @returns true if the normalizer was removed, false if not found
     */
    static unregister(name: string): boolean;
    /**
     * Get a normalizer by name.
     *
     * @param name - The normalizer name
     * @returns The normalizer, or undefined if not found
     */
    static get(name: string): Normalizer | undefined;
    /**
     * Check if a normalizer is registered.
     *
     * @param name - The normalizer name
     * @returns true if registered
     */
    static has(name: string): boolean;
    /**
     * Get all registered normalizer names.
     *
     * @returns Array of normalizer names
     */
    static list(): string[];
    /**
     * Clear all registered normalizers.
     *
     * Primarily used for testing.
     */
    static clear(): void;
    /**
     * Get the count of registered normalizers.
     *
     * @returns Number of registered normalizers
     */
    static get size(): number;
}
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