import { Chain } from "viem";
import { Client, Transport } from "viem";
import { FeeConfigParameters, FeeConfigReturnType } from "./types/feeConfig.js";
/**
 * Get the fee config for a specific block.
 *
 * @param client - The client to use.
 * @param blk - The block number or hash to get the fee config for. {@link FeeConfigParameters  }
 * @returns The fee config for the specified block. {@link FeeConfigReturnType}
 *
 * @example
 * ```ts
 * import { createClient, http } from '@avalanche-sdk/client'
 * import { avalanche } from '@avalanche-sdk/client/chains'
 * import { feeConfig } from '@avalanche-sdk/client/methods/public'
 *
 * const client = createClient({
 *   chain: avalanche,
 *   transport: http(),
 * })
 *
 * const feeConfig = await feeConfig(client, { blk: "0x1" })
 * ```
 */
export declare function feeConfig<chain extends Chain | undefined>(client: Client<Transport, chain>, { blk }: FeeConfigParameters): Promise<FeeConfigReturnType>;
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