import type { Player } from "../player/player.js";
/**
 * @category Ownership
 */
export declare function hasOwnership(entity: unknown): entity is OwnershipTrait;
/**
 * Entity with this trait can have a reference to `Player`, who "owns" this entity.
 *
 * @category Trait
 */
export declare class OwnershipTrait {
    /**
     * ID of the player owning this entity. Synced with client-side and automatically parsed after changing `entity.owner` from the server-side.
     * @category OwnershipTrait
     */
    ownerID: string;
    private $_owner;
    /**
     * Get the real owner of this thing, by traversing `this.parent` chain.
     * Owner could be set on an element or container, meaning every element in
     * such container belongs to one owner.
     *
     * @returns `Player` or `undefined` if this container doesn't belong to anyone
     *
     * @category OwnershipTrait
     */
    get owner(): Player | undefined;
    set owner(newOwner: Player);
    private $_ownersMainFocus;
    /**
     * Is this entity/container to be the main focus for this player?
     * To be used by client-side implementation.
     * @category OwnershipTrait
     */
    get ownersMainFocus(): boolean;
    set ownersMainFocus(newValue: boolean);
}