export interface PhonePePaymentSDK {
    /**
     * This method is used to initiate PhonePe Payment sdk.
     * Provide all the information as requested by the method signature.
     * Params:
     *    - environment: This signified the environment required for the payment sdk
     *      possible values: SANDBOX, PRODUCTION
     *      if any unknown value is provided, PRODUCTION will be considered as default.
     *    - merchantId: The merchant id provided by PhonePe  at the time of onboarding.
     *    - flowId : An alphanumeric string without any special character. It acts as a common ID b/w
     *      your app user journey and PhonePe SDK. This helps to debug prod issue.
     *      Recommended - Pass user-specific information or merchant user-id to track the journey.
     *    - enableLogging: If you want to enable / visualize sdk log @IOS
     *        - enabled = TRUE
     *        - disable = FALSE
     *    - Return: Boolean (TRUE -> SUCCESS).
     *        - SUCCESS: TRUE
     *        - FAILURE: FALSE
     *            - in iOS = False (if AppID missing:-Please provide PhonePe AppId)
     *            - in Android = Error in case of invalid arguments ex: "Invalid environment or merchantId!"
     */
    init(options: {
        environment: string;
        merchantId: string;
        flowId: string;
        enableLogging: boolean | false;
    }): Promise<Record<string, boolean>>;
    /**
     * This method is used to initiate PhonePe B2B PG Flow.
     * Provide all the information as requested by the method signature.
     * Params:
     *    - request : The request body for the transaction as per the developer docs, Make sure the request body is base64encoded.
     *    - appSchema: @Optional(Not need for Android) For iOS, Your custom URL Schemes, as per the developer docs.
     *    - showLoaderFlag: @Optional(Default: true) used for hiding the loader visibility in phonepe app intent launch.
     * Return: Will be returning a dictionary / hashMap
     *  {
     *     status: String, // string value to provide the status of the transaction
     *                     // possible values: SUCCESS, FAILURE, INTERRUPTED
     *     error: String   // if any error occurs
     *  }
     */
    startTransaction(options: {
        request: string;
        showLoaderFlag: Boolean | true;
        appSchema: string | null;
    }): Promise<Record<string, string>>;
    /**
     * This method is called to get list of upi apps in @Android only.
     * Return: String
     *  JSON String -> List of UPI App with packageName, applicationName & versionCode
     *  NOTE :- In iOS, it will throw os error at runtime.
     */
    getUpiAppsForAndroid(): Promise<Record<string, string>>;
    /**
     * This method is called to get list of upi apps in @iOS only.
     * Return: String
     *  JSON String -> List of UPI App with applicationName that are installed in the device and supported by PhonePe SDK
     *  NOTE :- In Android, it will throw os error at runtime.
     */
    getUpiAppsForIos(): Promise<Record<string, string>>;
}