import { Card } from './types';
import { Deck } from './Deck';
/**
 * A hand of [Card](/api/interfaces/card/)s.
 *
 * ✅ Attribute Support
 *
 * This class manages a player's hand of cards, including their cards and attributes.
 * It provides methods for adding and removing cards, clearing the hand, and managing hand attributes.
 */
export declare class Hand {
    private cards;
    private id;
    private attributes;
    constructor(id?: string);
    /**
     * Adds a card to the hand.
     *
     * @param card The card to add.
     */
    addCard(card: Card): void;
    /**
     * Removes a card from the hand.
     *
     * @param index The index of the card to remove.
     * @returns The removed card or null if the index is out of bounds.
     */
    removeCard(index: number): Card | null;
    /**
     * Gets all cards in the hand.
     *
     * @returns A copy of the cards in the hand.
     */
    getCards(): Card[];
    /**
     * Gets all visible cards in the hand.
     *
     * @returns A copy of the visible cards in the hand.
     */
    getVisibleCards(): Card[];
    /**
     * Gets all hidden cards in the hand.
     *
     * @returns A copy of the hidden cards in the hand.
     */
    getHiddenCards(): Card[];
    /**
     * Clears the hand.
     *
     * @param deck Optional deck to discard cards to when clearing the hand
     */
    clear(deck?: Deck): void;
    /**
     * Gets the ID of the hand.
     *
     * @returns The ID of the hand.
     */
    getId(): string;
    /**
     * Sets an attribute on the hand.
     *
     * @param key The key of the attribute to set.
     * @param value The value of the attribute to set.
     */
    setAttribute(key: string, value: any): void;
    /**
     * Gets an attribute from the hand.
     *
     * @param key The key of the attribute to get.
     * @returns The value of the attribute or null if the attribute does not exist.
     */
    getAttribute(key: string): any;
    /**
     * Checks if the hand has an attribute.
     *
     * @param key The key of the attribute to check.
     * @returns True if the attribute exists, false otherwise.
     */
    hasAttribute(key: string): boolean;
    /**
     * Returns a representation of the hand that is safe to send to clients.
     * Only includes visible cards and attributes.
     *
     * @returns A representation of the hand that is safe to send to clients.
     */
    getVisibleState(): any;
}