import { ChainId, Ether, NativeCurrency, Token } from '@x-swap-protocol/sdk-core';
export declare const V2_SUPPORTED: ChainId[];
export declare const ID_TO_CHAIN_ID: (id: number) => ChainId;
export declare enum ChainName {
    XDC = "xdc-mainnet",
    APOTHEM = "xdc-apothem"
}
export declare enum NativeCurrencyName {
    XDC = "XDC"
}
export declare const NATIVE_NAMES_BY_ID: {
    [chainId: number]: string[];
};
export declare const NATIVE_CURRENCY: {
    [chainId: number]: NativeCurrencyName;
};
export declare const ID_TO_NETWORK_NAME: (id: number) => ChainName;
export declare const CHAIN_IDS_LIST: string[];
export declare const ID_TO_PROVIDER: (id: ChainId) => string;
export declare class ExtendedEther extends Ether {
    get wrapped(): Token;
    private static _cachedExtendedEther;
    static onChain(chainId: number): ExtendedEther;
}
export declare function nativeOnChain(chainId: number): NativeCurrency;