import { HttpQuery, QueryKey, QueryOptions } from "./types";
/**
 * Creates a signal-backed HTTP query with shared cache and lifecycle cleanup.
 *
 * Must be called synchronously within an Angular injection context (for example,
 * a component or service field initializer) so `DestroyRef` can register cleanup.
 */
export declare function createQuery<T>(key: QueryKey, options?: Omit<QueryOptions, "method">, fetchFn?: typeof fetch): HttpQuery<T>;