import { Bucket } from "./Bucket";
import { IEntity } from "./types";
export declare class World<E extends IEntity> extends Bucket<E> {
    constructor(...args: ConstructorParameters<typeof Bucket<E>>);
    private nextId;
    private entityToId;
    private idToEntity;
    /**
     * Returns the ID of the given entity. If the entity is not known to this world,
     * it returns `undefined`.
     *
     * @param entity The entity to get the ID of.
     * @returns The ID of the entity, or `undefined` if the entity is not known to this world.
     */
    id(entity: E): number | undefined;
    /**
     * Given an ID, returns the entity with that ID. If the ID is not known to this world,
     * it returns `undefined`.
     *
     * @param id The ID of the entity to get.
     * @returns The entity with the given ID, or `undefined` if the ID is not known to this world.
     */
    entity(id: number): E | undefined;
    /**
     * Adds a component to an entity.
     * If the entity already has the component, this function will do nothing.
     *
     * @param entity The entity to add the property to.
     * @param component The component to add.
     * @param value The value of the component.
     * @returns `true` if the entity was updated, `false` otherwise.
     */
    addComponent<P extends keyof E>(entity: E, component: P, value: E[P]): boolean;
    /**
     * Removes a component from an entity. If the entity does not have the component,
     * this function will do nothing.
     *
     * @param entity The entity to remove the component from.
     * @param component The component to remove.
     * @returns `true` if the entity was updated, `false` otherwise.
     */
    removeComponent<P extends keyof E>(entity: E, component: P): boolean;
    /**
     * Updates the value of a component on the given entity.
     * If the entity does not have the component, this function will do nothing.
     *
     * @param entity The entity to update.
     * @param component The component to update.
     * @param value The new value of the component.
     * @returns `true` if the entity was updated, `false` otherwise.
     */
    setComponent<P extends keyof E>(entity: E, component: P, value: E[P]): boolean;
    archetype<P extends keyof E>(...components: P[]): Bucket<import("./types").WithRequiredKeys<E, P>>;
}