original_string: public function isFalse($value, $message = '')
      {
          $this->assertion->setActual($value);
  
          return $this->assertion->to->be->false($message);
      }
code: public function isFalse($value, $message = '')
      {
          $this->assertion->setActual($value);
  
          return $this->assertion->to->be->false($message);
      }
code_tokens: public function isFalse ( $ value , $ message = '' ) { $ this -> assertion -> setActual ( $ value ) ; return $ this -> assertion -> to -> be -> false ( $ message ) ; }
docstring: Perform a false assertion.
  
  @param mixed  $value
  @param string $message
docstring_tokens: Perform a false assertion .