import { ChainData, FungibleTokenData } from "../types";
export declare const STATIC_CHAINS_MAINNET: ChainData[];
export declare const STATIC_NATIVE_TOKENS_MAINNET: Record<string, FungibleTokenData>;
export declare const STATIC_CHAINS_TESTNET: ChainData[];
export declare const STATIC_NATIVE_TOKENS_TESTNET: Record<string, FungibleTokenData>;
export declare class ZerionService {
    private readonly apiKey;
    private readonly env;
    constructor(apiKey: string, testnet: boolean);
    fetchFromZerion<T>(endpoint: string): Promise<T>;
}