/** OAuth-specific error codes */
export type OAuthErrorCode = 'access_denied' | 'invalid_state' | 'email_not_verified' | 'expired_code' | 'provider_error' | 'network_error';
/** Error class for OAuth-specific errors */
export declare class OAuthError extends Error {
    readonly code: OAuthErrorCode;
    readonly provider?: string;
    constructor(code: OAuthErrorCode, provider?: string, customMessage?: string);
    /** Get user-friendly message for this error */
    get userMessage(): string;
}