import type { EvmAddress } from "../../../../common/types/address.js";
import type { EvmChainId } from "../types/chain.js";
import type { Account, Client, WalletClient } from "viem";
export declare function getEvmSignerAddress(signer: WalletClient): EvmAddress;
export declare function getEvmSignerAccount(signer: WalletClient): Account;
export declare const isEvmChainId: (chainId: number) => chainId is EvmChainId;
export declare function getBlockTimestamp(provider: Client, blockNumber?: bigint): Promise<bigint>;