import { PortOneError } from './index.js';
import { CheckoutServiceErrorCode } from './CheckoutServiceErrorCode.js';
import { GrpcErrorCode } from './GrpcErrorCode.js';
import { TxServiceIssueErrorCode } from './TxServiceIssueErrorCode.js';
export type LoadIssueBillingKeyUIErrorCode = CheckoutServiceErrorCode | GrpcErrorCode | TxServiceIssueErrorCode;
export declare function isLoadIssueBillingKeyUIError(error: unknown): error is LoadIssueBillingKeyUIError;
export declare class LoadIssueBillingKeyUIError extends Error implements PortOneError {
    static [Symbol.hasInstance](instance: unknown): boolean;
    __portOneErrorType: string;
    transactionType: "ISSUE_BILLING_KEY";
    code: LoadIssueBillingKeyUIErrorCode;
    message: string;
    constructor({ code, message, }: {
        code: LoadIssueBillingKeyUIErrorCode;
        message: string;
    });
}