import { ERC20Token } from '../../types';
declare class CustomTokenRegistry {
    tokenRegistry: ERC20Token[];
    constructor();
    setTokensFromCache(newTokenRegistries: ERC20Token[]): void;
    getCustomTokens(chainId: number): ERC20Token[];
    tokenExists(registry: ERC20Token[], tokenToCheck: ERC20Token): ERC20Token | undefined;
    addCustomToken(token: ERC20Token): void;
    removeCustomToken(tokenToRemove: ERC20Token): void;
}
export declare const customTokenRegistry: CustomTokenRegistry;
export {};
