original_string: public function getNickName() : ?string 
      {
          if ( ! $this->hasNickName()) {
              $this->setNickName($this->getDefaultNickName());
          }
          return $this->nickName;
      }
code: public function getNickName() : ?string 
      {
          if ( ! $this->hasNickName()) {
              $this->setNickName($this->getDefaultNickName());
          }
          return $this->nickName;
      }
code_tokens: public function getNickName ( ) : ? string { if ( ! $ this -> hasNickName ( ) ) { $ this -> setNickName ( $ this -> getDefaultNickName ( ) ) ; } return $ this -> nickName ; }
docstring: Get nick name
  
  If no "nick name" value has been set, this method will
  set and return a default "nick name" value,
  if any such value is available
  
  @see getDefaultNickName()
  
  @return string|null nick name or null if no nick name has been set
docstring_tokens: Get nick name