import { BaseError } from 'make-error';
export declare class FetchTimeoutError extends BaseError {
    readonly response: Response;
    readonly timeout: number;
    constructor(response: Response, timeout: number);
}
/**
 * Wraps a fetch function to add automatic timeout/abort support. If a timeout value
 * is present on the RequestInit or Request and no abort signal is already provided,
 * an AbortController is created to abort the request after the specified duration.
 *
 * @param inputFetch - the fetch function to wrap with timeout behavior
 * @returns a wrapped fetch function that enforces timeouts via AbortController
 */
export declare function fetchTimeout(inputFetch: typeof fetch): typeof fetch;