Can you say mine in football?

Can you say mine in football? As stated in the laws of the game, if a soccer player is the only player that is near the soccer ball and proceeds to call “mine” then there is no foul or infringement. However, players will only be impeded when the opponent prevents another player from getting and playing the soccer ball. What is this?

As stated in the laws of the game, if a soccer player is the only player that is near the soccer ball and proceeds to call “mine” then there is no foul or infringement. However, players will only be impeded when the opponent prevents another player from getting and playing the soccer ball. What is this?