import { type Signal } from '@angular/core';
import { type Data } from '@angular/router';
import { DefaultValueOptions, InjectorOptions } from 'ngxtension/shared';
type RouteDataTransformFn<T> = (data: Data) => T;
/**
 * The `RouteDataOptions` type defines options for configuring the behavior of the `injectRouteData` function.
 *
 * @template ReadT - The expected type of the read value.
 * @template WriteT - The type of the value to be written.
 * @template DefaultValueT - The type of the default value.
 */
export type RouteDataOptions<DefaultValueT> = DefaultValueOptions<DefaultValueT> & InjectorOptions;
/**
 * The `injectRouteData` function allows you to access and manipulate route data from the current route.
 *
 * @returns A `Signal` that emits the entire data object.
 */
export declare function injectRouteData(): Signal<Data>;
/**
 * The `injectRouteData` function allows you to access and manipulate route data from the current route.
 *
 * @template T - The expected type of the read value.
 * @param {string} key - The name of the route data to retrieve.
 * @param {RouteDataOptions} options - Optional configuration options for the route data.
 * @returns {Signal} A `Signal` that emits the value of the specified route data, or `null` if it's not present.
 */
export declare function injectRouteData<T>(key: keyof Data, options?: RouteDataOptions<T>): Signal<T | null>;
/**
 * The `injectRouteData` function allows you to access and manipulate route data from the current route.
 * It retrieves the value of the route data based on a custom transform function applied to the route data object.
 *
 * @template T - The expected type of the read value.
 * @param {RouteDataTransformFn<T>} fn - A transform function that takes the route data object and returns the desired value.
 * @param {RouteDataOptions} options - Optional configuration options for the route data.
 * @returns {Signal<T>} A `Signal` that emits the transformed value based on the provided custom transform function.
 *
 * @example
 * const searchValue = injectRouteData((data) => data['search'] as string);
 */
export declare function injectRouteData<ReadT>(fn: RouteDataTransformFn<ReadT>, options?: RouteDataOptions<ReadT>): Signal<ReadT>;
export declare namespace injectRouteData {
    var global: <T>(keyOrTransform?: keyof Data | RouteDataTransformFn<T>, options?: RouteDataOptions<T>) => Signal<T | Data | null>;
}
export {};