import type { Account } from '../../accounts/types.js';
import type { Client } from '../../clients/createClient.js';
import type { Transport } from '../../clients/transports/createTransport.js';
import type { ErrorType } from '../../errors/utils.js';
import type { Chain } from '../../types/chain.js';
import type { RequestErrorType } from '../../utils/buildRequest.js';
export type GetSpecVersionReturnType = string;
export type GetSpecVersionErrorType = RequestErrorType | ErrorType;
/**
 * Returns the current spec version.
 *
 * - Docs: https://viem.sh/docs/actions/public/getChainId
 * - JSON-RPC Methods: [`starknet_specVersion`](https://docs.starknet.io/reference/rpc-api/#starknet_specversion)
 *
 * @param client - Client to use
 * @returns The current spec version. {@link GetSpecVersionReturnType}
 *
 * @example
 * import { createPublicClient, http } from '@wolf/strkjs'
 * import { mainnet } from '@wolf/strkjs/chains'
 * import { getSpecVersion } from '@wolf/strkjs/public'
 *
 * const client = createPublicClient({
 *   chain: mainnet,
 *   transport: http(),
 * })
 * const specVersion = await getSpecVersion(client)
 * // '0x0000000000000000000000000000000000000000000000000000000000000001'
 */
export declare function getSpecVersion<TChain extends Chain | undefined, TAccount extends Account | undefined>(client: Client<Transport, TChain, TAccount>): Promise<GetSpecVersionReturnType>;
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