import { ValidationResult, RegistrationResponse, ClientMetadata } from '../types/dcr.js';
import { ProtocolVersion } from '../types/protocol-version.js';
/**
 * Validates RFC 7591 compliance for client registration responses
 * Enhanced with MCP 2025-11-25 protocol awareness
 */
export declare class RFC7591Validator {
    private protocolVersion;
    constructor(protocolVersion?: ProtocolVersion);
    /**
     * Validate a registration response for RFC 7591 compliance
     */
    validateRegistrationResponse(response: RegistrationResponse): ValidationResult;
    /**
     * Validate client metadata for registration request
     */
    validateClientMetadata(metadata: ClientMetadata): ValidationResult;
    /**
     * Validate a redirect URI according to RFC 7591 Section 2
     */
    private isValidRedirectUri;
    /**
     * Validate a URI
     */
    private isValidUri;
    /**
     * Validate an email address
     */
    private isValidEmail;
}
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