original_string: public function removeFor($key, \DateTime $date)
      {
          unset($this->data[$this->keyFor($key, $date)]);
      }
code: public function removeFor($key, \DateTime $date)
      {
          unset($this->data[$this->keyFor($key, $date)]);
      }
code_tokens: public function removeFor ( $ key , \ DateTime $ date ) { unset ( $ this -> data [ $ this -> keyFor ( $ key , $ date ) ] ) ; }
docstring: Remove value for a key for a given date.
  
  @param string $key Counter key.
  @param \DateTime $date Date.
  @return void
docstring_tokens: Remove value for a key for a given date .