/**
 * 트랜잭션 유형
 * - PAYMENT: 결제
 * - ISSUE_BILLING_KEY: 빌링키 발급
 * - IDENTITY_VERIFICATION: 본인 인증
 * - ISSUE_BILLING_KEY_AND_PAY: 빌링키 발급과 동시에 결제
 */
export declare const TransactionType: {
    readonly PAYMENT: "PAYMENT";
    readonly ISSUE_BILLING_KEY: "ISSUE_BILLING_KEY";
    readonly IDENTITY_VERIFICATION: "IDENTITY_VERIFICATION";
    readonly ISSUE_BILLING_KEY_AND_PAY: "ISSUE_BILLING_KEY_AND_PAY";
};
export type TransactionType = typeof TransactionType[keyof typeof TransactionType];