import type { Address } from 'abitype';
import type { Client } from '../../clients/createClient.js';
import type { Transport } from '../../clients/transports/createTransport.js';
import type { ErrorType } from '../../errors/utils.js';
import type { ContractClassResponse } from '../../strk-types/provider.js';
import type { BlockTag } from '../../types/block.js';
import type { Chain } from '../../types/chain.js';
import type { Hash } from '../../types/misc.js';
import type { RequestErrorType } from '../../utils/buildRequest.js';
export type GetClassAtParameters = {
    contract_address: Address;
} & ({
    block_hash?: Hash | undefined;
    block_number?: undefined;
    block_tag?: undefined;
} | {
    block_hash?: undefined;
    block_number?: number | undefined;
    block_tag?: undefined;
} | {
    block_hash?: undefined;
    block_number?: undefined;
    block_tag?: BlockTag | undefined;
});
export type GetClassAtReturnType = ContractClassResponse;
export type GetClassAtErrorType = RequestErrorType | ErrorType;
/**
 * Retrieves the bytecode at an address.
 *
 * - Docs: https://viem.sh/docs/contract/getCode
 * - JSON-RPC Methods: [`eth_getCode`](https://ethereum.org/en/developers/docs/apis/json-rpc/#eth_getcode)
 *
 * @param client - Client to use
 * @param parameters - {@link GetCodeParameters}
 * @returns The contract's bytecode. {@link GetCodeReturnType}
 *
 * @example
 * import { createPublicClient, http } from 'viem'
 * import { mainnet } from 'viem/chains'
 * import { getClassAt } from 'viem/contract'
 *
 * const client = createPublicClient({
 *   chain: mainnet,
 *   transport: http(),
 * })
 * const classAt = await getClassAt(client, {
 *   contract_address: '0xFBA3912Ca04dd458c843e2EE08967fC04f3579c2',
 * })
 */
export declare function getClassAt<TChain extends Chain | undefined>(client: Client<Transport, TChain>, { contract_address, block_hash, block_number, block_tag, }: GetClassAtParameters): Promise<GetClassAtReturnType>;
//# sourceMappingURL=getClassAt.d.ts.map