import type { NetworkConfig } from "./networks.js";
export declare class RpcError extends Error {
    code: number;
    data?: unknown | undefined;
    constructor(code: number, message: string, data?: unknown | undefined);
}
export declare class RpcClient {
    private network;
    constructor(network: NetworkConfig);
    get config(): NetworkConfig;
    call<T = unknown>(method: string, params?: unknown[]): Promise<T>;
}
export declare function toHex(value: number | bigint | string): string;
export declare function fromHex(hex: string): bigint;
export declare function formatNative(weiHex: string, decimals: number, symbol: string): string;