export declare class MpesaApi {
    constructor(consumerKey: string, secret: string, shortcode: string, env?: string);
    private consumerKey;
    private secret;
    private shortcode;
    private url;
    private token;
    /**
     * getAccessToken
     * @returns a promise with the access token and success message.
     */
    getAccessToken(): Promise<unknown>;
    /**
     * registerUrl
     * Registers the confirmation and validation urls
     * @param confirmationUrl - the receives the confirmation request from the API upon the
     * payment completion
     * @param validationUrl - receives the validation request from the API upon the payment
     * submission. It is called only if the external validation on the registered shortcode is
     * enabled.By default the external validation is disabled
     * @param responseType - specifies what is to happen if for any reason the validation url is not
     * reachable. It can only have two options 'Completed' or 'Cancelled'. Completed means Mpesa
     * will automatically complete the transaction whereas cancelled means the transaction will be cancelled if the validation url is not reachable
     * @returns a promise that contains the OriginatorConversationId, ConversationId and Response Description.
     */
    registerUrl(confirmationUrl: string, validationUrl: string, responseType?: string): Promise<unknown>;
    /**
     * c2B - Make payment requests from Client to Business
     * @param commandId - the unique identifier of the transaction type. Can either be CustomerPayBillOnline for paybill payments or CustomerBuyGoodsOnline for business shortcodes
     * @param amount - The amount being transacted
     * @param Msisdn - The phone number initiating the transaction
     * @param BillRefNumber - Only used for CustomerPayBillOnline. It represents a unique bill identifier e.g. an account number
     * @returns - a promise which contains originatorConversationId, conversationId and ResponseDescription
     */
    c2B(commandId: string, amount: number, Msisdn: string, BillRefNumber?: string): Promise<unknown>;
}