[C++] Re-deklaracja klasy

#include <SFML/Graphics.hpp>
#include <iostream>
#include "player.h"

class Object
    : public sf::Drawable
{
    sf::RectangleShape rect;
    float top, bottom, left, right;
   
    friend class Player;
   
public:
    Object( sf::Vector2f position, sf::Vector2f size, sf::Color color );
    virtual void draw( sf::RenderTarget & target, sf::RenderStates states ) const;
    void setPosition( sf::Vector2f position );
    void updatePosition();
};