import { FetchOptions } from './models.js';
/**
 * Set advanced options to be used by all fetch() calls
 * @param options
 */
export declare function setFetchOptions(options: FetchOptions): void;
/**
 * Returns current fetch() options
 */
export declare function getFetchOptions(): FetchOptions;
/**
 * Resets advanced fetch() options to their defaults
 */
export declare function resetFetchOptions(): void;
export declare function setFetchOptionsUpdateCallback(callback: (options: FetchOptions) => void): void;
/**
 * Returns a promise equivalent to `fetch(url)` but guarded against
 * identical concurrent requests
 * Note: this should only be used for GET requests!
 */
export declare function sharedFetch(url: string, method?: 'GET' | 'HEAD', asJson?: boolean): Promise<any>;
/**
 * Runs a GET HTTP request to the provided URL and resolves to the
 * XmlDocument
 */
export declare function queryXmlDocument(url: string): Promise<import("@rgrove/parse-xml").XmlDocument>;
/**
 * Add or replace query params in the url; note that params are considered case-insensitive,
 * meaning that existing params in different cases will be removed as well.
 * Also, if the url ends with an encoded URL (typically in the case of urls run through a CORS
 * proxy, which is an aberration and should be forbidden btw), then the encoded URL
 * will be modified instead.
 */
export declare function setQueryParams(url: string, params: Record<string, string | boolean>): string;
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