/**
 * PKCE (Proof Key for Code Exchange) utilities
 *
 * Implements RFC 7636 for secure authorization flows.
 * Used for webhook callbacks, OAuth flows, and tool approval.
 *
 * @module @frontmcp/utils/pkce
 */
export { MIN_CODE_VERIFIER_LENGTH, MAX_CODE_VERIFIER_LENGTH, DEFAULT_CODE_VERIFIER_LENGTH, PkceError, generateCodeVerifier, generateCodeChallenge, verifyCodeChallenge, generatePkcePair, isValidCodeVerifier, isValidCodeChallenge, type PkcePair, } from './pkce';