import type { Algorithm } from '../types.js';
import type { EncryptionAlgorithmStrategy, SigningAlgorithmStrategy } from './algorithm.js';
/**
 * Algorithm registry for managing available encryption and signing strategies
 * Allows dynamic registration of new algorithms without modifying core code (OCP)
 * Centralizes algorithm validation - no more repeated checks throughout codebase
 */
export declare class AlgorithmRegistry {
    private readonly encryptionStrategies;
    private readonly signingStrategies;
    constructor();
    /**
     * Register a new encryption algorithm strategy
     */
    registerEncryption(strategy: EncryptionAlgorithmStrategy): void;
    /**
     * Register a new signing algorithm strategy
     */
    registerSigning(strategy: SigningAlgorithmStrategy): void;
    /**
     * Get an encryption strategy for the given algorithm
     * @throws UnsupportedAlgorithmError if algorithm is not registered
     */
    getEncryptionStrategy(algorithm: Algorithm): EncryptionAlgorithmStrategy;
    /**
     * Get a signing strategy for the given algorithm
     * @throws UnsupportedAlgorithmError if algorithm is not registered
     */
    getSigningStrategy(algorithm: Algorithm): SigningAlgorithmStrategy;
    /**
     * Get all supported encryption algorithms
     */
    getSupportedEncryptionAlgorithms(): Algorithm[];
    /**
     * Get all supported signing algorithms
     */
    getSupportedSigningAlgorithms(): Algorithm[];
    /**
     * Check if an encryption algorithm is supported
     */
    supportsEncryption(algorithm: Algorithm): boolean;
    /**
     * Check if a signing algorithm is supported
     */
    supportsSigning(algorithm: Algorithm): boolean;
}
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