export declare class ChecksumGenerator {
    static createChecksumValue(secretKey: string, payload: Record<string, string | number>): string;
    static createPaymentIntentChecksumValue(secretKey: string, data: {
        payment_channel: number;
        order_number: string;
        amount: number;
        payer_name: string;
        payer_email: string;
    }): string;
    static createPaymentIntenChecksumValue(secretKey: string, data: {
        payment_channel: number;
        order_number: string;
        amount: number;
        payer_name: string;
        payer_email: string;
    }): string;
    static createFpxDirectDebitEnrolmentChecksumValue(secretKey: string, data: {
        order_number: string;
        amount: number;
        payer_name: string;
        payer_email: string;
        payer_telephone_number: string;
        payer_id_type: string;
        payer_id: string;
        application_reason: string;
        frequency_mode: string;
    }): string;
    static createFpxDirectDebitMaintenanceChecksumValue(secretKey: string, data: {
        amount: number;
        payer_email: string;
        payer_telephone_number: string;
        application_reason: string;
        frequency_mode: string;
    }): string;
}
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