original_string: public function setFileExtensions(string $value)
      {
          $this->fileExtensions = $value;
  
          $this->addValidationRule('mimes:' . $value);
  
          return $this;
      }
code: public function setFileExtensions(string $value)
      {
          $this->fileExtensions = $value;
  
          $this->addValidationRule('mimes:' . $value);
  
          return $this;
      }
code_tokens: public function setFileExtensions ( string $ value ) { $ this -> fileExtensions = $ value ; $ this -> addValidationRule ( 'mimes:' . $ value ) ; return $ this ; }
docstring: A list of allowable extensions that can be uploaded.
  
  @param string $value
  
  @return $this
docstring_tokens: A list of allowable extensions that can be uploaded .