/**
 * Details object of an error that occurred throughout the Web Payment SDK.
 */
export interface ApplicationError {
    /**
     * Error message.
     */
    message: string;
    /**
     * Type of error thrown.
     */
    type: string;
    /**
     * Particular field that caused the error, if applicable. E.g. Card Number
     */
    field?: string;
    /**
     * Additional detail about the error, if applicable.
     */
    detail?: string;
}
/**
 * Format of error details returned from verifyBuyer
 */
export interface VerifyBuyerErrorDetails {
    code?: string;
    type: string;
    message: string;
}
/**
 * @internal
 */
export type ErrorCategory = 'API_ERROR' | 'AUTHENTICATION_ERROR' | 'INVALID_REQUEST_ERROR' | 'PAYMENT_METHOD_ERROR' | 'RATE_LIMIT_ERROR' | 'REFUND_ERROR';
/**
 * Square API Error Format.
 */
export interface SquareApiError {
    /**
     * Indicates which high-level category of error has occurred during a request to the Connect API.
     * https://developer.squareup.com/reference/square/enums/ErrorCategory
     */
    category: ErrorCategory;
    /**
     *
     *  Indicates the specific error that occurred during a request to a Square API.
     *  https://developer.squareup.com/reference/square/enums/ErrorCode
     */
    code: string;
    detail?: string;
    field?: string;
}
/**
 * @ignore
 */
export interface SqErrorI {
    message: string;
    name: string;
    errors: Array<SquareApiError | ApplicationError | VerifyBuyerErrorDetails | SqErrorI>;
}
export type SubError = SquareApiError | ApplicationError | VerifyBuyerErrorDetails | SqErrorI;
/**
 * @internal
 */
export interface SerializedError {
    _isSerializedError: true;
    name: string;
    message: string;
    errors?: Array<SquareApiError | ApplicationError | SqErrorI>;
}
/**
 * @internal
 * SquareError is a base error class for all errors thrown by the Web Payment SDK.
 */
export declare class SqError extends Error {
    /**
     * @internal
     *
     * @param {string} message - A message describing the error that occurred
     */
    readonly errors: SubError[];
    /**
     * @internal
     * Internal version of the Square Error, providing serialization helpers.
     * @param {string} message - A message describing the error that occurred
     * @param {SubError} errors
     */
    constructor(message?: string, errors?: SubError[]);
    /**
     * @internal
     * @param error SerializedError to deserialize into the current error.
     */
    fromSerializedError(error: SerializedError): void;
}