/**
 * MCD (Multiple Custom Domains) specific error classes.
 *
 * Note: `BackchannelLogoutError` is renamed with `Mcd` prefix to avoid
 * collision with the identically-named class in `oauth-errors.ts`.
 * MCD configuration errors use the shared `InvalidConfigurationError`
 * from `oauth-errors.ts`.
 *
 * @module errors/mcd
 */
import { SdkError } from "./sdk-error.js";
/**
 * Error thrown when domain resolution fails during MCD initialization or request handling.
 *
 * This error is public and may be caught by application code.
 *
 * @public
 */
export declare class DomainResolutionError extends SdkError {
    cause?: Error | undefined;
    code: string;
    /**
     * Creates a new DomainResolutionError instance.
     *
     * @param message - A descriptive error message
     * @param cause - The underlying error that caused the resolution failure (optional)
     */
    constructor(message?: string, cause?: Error | undefined);
}
/**
 * Error thrown when a domain hostname fails validation.
 *
 * This includes rejection of IP addresses, localhost, .local domains, paths, and ports.
 * This error is public and may be caught by application code.
 *
 * @public
 */
export declare class DomainValidationError extends SdkError {
    code: string;
    /**
     * Creates a new DomainValidationError instance.
     *
     * @param message - A descriptive error message
     */
    constructor(message?: string);
}
/**
 * Error thrown when the issuer URL is invalid or cannot be resolved.
 *
 * This error is public and may be caught by application code.
 *
 * @public
 */
export declare class IssuerValidationError extends SdkError {
    expectedIssuer: string;
    actualIssuer: string;
    code: string;
    /**
     * Creates a new IssuerValidationError instance.
     *
     * @param expectedIssuer - The expected issuer URL
     * @param actualIssuer - The actual issuer URL from the token
     */
    constructor(expectedIssuer: string, actualIssuer: string);
}
/**
 * Error thrown when a session's domain does not match the current request domain.
 *
 * This indicates a potential security issue where a user is attempting to use a session
 * created for a different domain.
 *
 * @public
 */
export declare class SessionDomainMismatchError extends SdkError {
    code: string;
    /**
     * Creates a new SessionDomainMismatchError instance.
     *
     * @param message - A descriptive error message
     */
    constructor(message?: string);
}