export interface StkPushRequest {
    BusinessShortCode: string;
    Password: string;
    Timestamp: string;
    TransactionType: string;
    Amount: number;
    PartyA: string;
    PartyB: string;
    PhoneNumber: string;
    CallBackURL: string;
    AccountReference: string;
    TransactionDesc: string;
}
export interface StkPushResponse {
    MerchantRequestID: string;
    CheckoutRequestID: string;
    ResponseCode: string;
    ResponseDescription: string;
    CustomerMessage: string;
}
export declare class SafaricomDarajaApi {
    private consumerKey;
    private consumerSecret;
    private baseUrl;
    private businessShortCode;
    private passkey;
    constructor(consumerKey?: string, consumerSecret?: string, businessShortCode?: string, passkey?: string);
    /**
     * Get the access token from Safaricom Daraja API
     */
    getAccessToken(): Promise<string>;
    /**
     * Register C2B URLs
     */
    registerUrls(confirmationUrl: string, validationUrl: string, shortCode?: string): Promise<any>;
    /**
     * Check Account Balance
     */
    checkBalance(shortCode: string, password: string, timestamp: string, partyA: string): Promise<any>;
    /**
     * Initiate an STK Push
     */
    initiateStkPush(stkPushRequest: StkPushRequest): Promise<StkPushResponse>;
    initiateC2bStkPush(phone: string, amount: number, accountReference?: string, transactionDesc?: string, callbackUrl?: string): Promise<StkPushResponse>;
    /**
     * Query a transaction status
     */
    queryTransactionStatus(BusinessShortCode: string, Password: string, Timestamp: string, CheckoutRequestID: string): Promise<any>;
    /**
     * Transaction Reversal
     */
    reverseTransaction(shortCode: string, password: string, timestamp: string, transactionID: string): Promise<any>;
    /**
     * B2C Payment Request
     */
    b2cPayment(shortCode: string, password: string, amount: number, partyA: string, partyB: string): Promise<any>;
    /**
     * Handles the final confirmation of the transaction after processing.
     * @param confirmationData - The confirmation request data from M-Pesa
     * @returns An object containing the status of the transaction
     */
    handleTransactionConfirmation(confirmationData: any): {
        success: boolean;
        message: string;
        data?: any;
    };
    private recordTransaction;
    /**=======================================================================
     * Handles validation of incoming transactions
     * @param validationData - The validation request data from M-Pesa
     * @returns A response indicating whether to accept or reject the transaction
     */
    handleTransactionValidation(validationData: any): {
        success: boolean;
        message: string;
    };
    private checkAccountExists;
    /**
     * Generate password using short code, passkey, and timestamp
     */
    static generatePassword(shortcode: string, passkey: string, timestamp?: string): string;
    static generateTimeStamp(): string;
}
export declare const safaricomDarajaApi: SafaricomDarajaApi;