import type { ChainComposableOptions } from "../types.js";
/**
 * Composable for fetching the [JSON-RPC spec](https://paritytech.github.io/json-rpc-interface-spec/api/chainSpec.html).
 *
 * @param options - Additional options
 * @returns The [JSON-RPC spec](https://paritytech.github.io/json-rpc-interface-spec/api/chainSpec.html)
 */
export declare function useChainSpecData(options?: ChainComposableOptions): import("../types.js").PromiseLikeAsyncState<import("@polkadot-api/substrate-client").ChainSpecData>;
/**
 * @internal
 */
export declare function useChainSpecDataPromise(options?: ChainComposableOptions): import("../utils/refreshable.js").Refreshable<import("vue").ComputedRef<Promise<import("@polkadot-api/substrate-client").ChainSpecData>>>;
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