import { MpesaAPIConfig, MpesaErrorDetail, C2BArgs, B2CArgs, B2BArgs, QueryArgs, ReversalArgs, MpesaResponse, C2BResponseData, B2CResponseData, B2BResponseData, QueryResponseData, ReversalResponseData } from './types';
/**
 * Custom Error class for M-Pesa API errors.
 */
export declare class MpesaError extends Error {
    details: MpesaErrorDetail;
    constructor(message: string, details: MpesaErrorDetail);
}
export declare class MpesaService {
    private config;
    private httpClient;
    private encodedPublicKey;
    constructor(config: MpesaAPIConfig);
    /**
     * Helper method to handle M-Pesa specific API errors.
     * This method ensures consistent error reporting across all API calls.
     * @param error The AxiosError object or a generic error.
     * @param context A string describing the context of the error (e.g., "Token", "C2B").
     * @throws MpesaError
     */
    private handleMpesaError;
    /**
     * Helper method to transform M-Pesa API responses into a clean, readable format.
     * @param response The raw M-Pesa API response
     * @param context The operation context (C2B, B2C, B2B, Query, Reversal)
     * @returns A clean, readable response object
     */
    private transformResponse;
    /**
     * Initiates a C2B (Customer to Business) transaction.
     * @param args Object containing amount, number, transactionReference, thirdPartyReference
     * @returns Clean, readable M-Pesa response for the C2B transaction.
     * @throws MpesaError if the C2B transaction fails.
     */
    c2b(args: C2BArgs): Promise<MpesaResponse<C2BResponseData>>;
    /**
     * Initiates a B2C (Business to Customer) transaction.
     * @param args Object containing amount, number, transactionReference, thirdPartyReference, paymentServices
     * @returns Clean, readable M-Pesa response for the B2C transaction.
     * @throws MpesaError if the B2C transaction fails.
     */
    b2c(args: B2CArgs): Promise<MpesaResponse<B2CResponseData>>;
    /**
     * Initiates a B2B (Business to Business) transaction.
     * @param args Object containing amount, primaryPartyCode, recipientPartyCode, transactionReference, thirdPartyReference, paymentServices
     * @returns Clean, readable M-Pesa response for the B2B transaction.
     * @throws MpesaError if the B2B transaction fails.
     */
    b2b(args: B2BArgs): Promise<MpesaResponse<B2BResponseData>>;
    /**
     * Queries the status of an M-Pesa transaction.
     * @param args Object containing queryReference, thirdPartyReference
     * @returns Clean, readable M-Pesa response with the transaction status.
     * @throws MpesaError if the query fails.
     */
    query(args: QueryArgs): Promise<MpesaResponse<QueryResponseData>>;
    /**
     * Reverses an M-Pesa transaction.
     * @param args Object containing originalTransactionId, reversalAmount, thirdPartyReference
     * @returns Clean, readable M-Pesa response for the reversal.
     * @throws MpesaError if the reversal fails.
     */
    reversal(args: ReversalArgs): Promise<MpesaResponse<ReversalResponseData>>;
}