import { type AxiosInstance } from "axios";
/** Options for {@link createAxiosRuntime}. */
export interface AxiosRuntimeOptions {
    /** Axios instance to issue requests through — e.g. one preconfigured
     *  with interceptors, a base URL, or a custom `httpsAgent`. Defaults
     *  to the top-level `axios` singleton. */
    instance?: AxiosInstance;
}
/** Adapts an axios instance to the `typeof fetch` signature so it can be
 *  passed as `CratestackRpcClientOptions.fetch` (the generated runtime's
 *  constructor option) or as an `RpcLink`'s `request.fetchFn` override —
 *  axios becomes the actual transport while every link and the
 *  generated runtime keep speaking the Fetch API's `Request`/`Response`
 *  shape, unaware anything changed underneath. */
export declare function createAxiosRuntime(options?: AxiosRuntimeOptions): typeof fetch;
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