export declare class CustomError extends Error {
    error_type: string;
    constructor(message: string, error_type: string);
}
/**
 * Generic SDK error. Wrapped errors are:
 *
 * - ethers.js errors
 * - http request errors
 */
export declare class SdkError extends CustomError {
    error_code?: string;
    static NO_SLIPPAGE: string;
    constructor(message: string, error_code?: string);
}
/**
 * Type alias for an address type.
 */
export declare type Address = string;
/**
 * Type for anything that has an address property.
 */
export declare type Addressable = {
    address: Address;
};
/**
 * Type alias for a stringified big number. SDK tries to be bignumber-lib
 * agnostic so integer values are returned as strings.
 */
export declare type Integer = string;
/**
 * Utility type to help distinguish [[Integer]]s that represent a USDC (6 dec)
 * value.
 */
export declare type Usdc = string;
/**
 * Utility type to help distinguish [[Integer]]s that represents an already
 * normalized value with the corresponding decimals from their Integer form.
 */
export declare type Unit = string;
/**
 * Utility type to describe a map of predefined keys with the same value.
 */
export declare type TypedMap<K extends string | number | symbol, V> = {
    [key in K]: V;
};
/**
 * Accepted locales.
 */
export declare type Locale = "de" | "el" | "en" | "es" | "fr" | "hi" | "id" | "ja" | "pt" | "ru" | "tr" | "vi" | "zh";