import { Base } from "./Base";
/**
 * Manages a cache of objects that extend the Base class.
 */
export declare class Manager<K extends Base> {
    #private;
    get length(): number;
    get array(): K[];
    /**
     * Gets the element at the specified index.
     * @param index The index of the element to get.
     * @returns The element at the specified index, or null if the index is out of bounds.
     */
    getByIndex(index: number): K | null;
    /**
     * Returns the elements of an array that meet the condition specified in a callback function.
     *
     * @param predicate A function that accepts up to three arguments. The filter method calls the predicate function one time for each element in the cache.
     */
    filter(predicate: (value: K, index: number) => boolean): K[];
    /**
     * Adds a new element to the cache or multiple elements if an array is provided.
     * @param data The element(s) to add to the cache.
     * @returns The added element.
     */
    cache(data: K | K[]): K;
    /**
     * Removes the element with the specified ID from the cache.
     * @param id The ID of the element to remove.
     */
    delete(id: string): void;
    /**
     * Gets the element with the specified ID from the cache.
     * @param id The ID of the element to get.
     * @returns The element with the specified ID, or undefined if the element is not found.
     */
    get(id: string): K | undefined;
    /**
     * Updates the element with the specified ID in the cache.
     * @param id The ID of the element to update.
     * @param data The data to update the element with.
     */
    update(id: string, data: any): void;
}