original_string: protected function getAuth()
      {
          if (isset($this->auth['username']) && isset($this->auth['password'])) {
              return [$this->auth['username'], $this->auth['password']];
          }
      }
code: protected function getAuth()
      {
          if (isset($this->auth['username']) && isset($this->auth['password'])) {
              return [$this->auth['username'], $this->auth['password']];
          }
      }
code_tokens: protected function getAuth ( ) { if ( isset ( $ this -> auth [ 'username' ] ) && isset ( $ this -> auth [ 'password' ] ) ) { return [ $ this -> auth [ 'username' ] , $ this -> auth [ 'password' ] ] ; } }
docstring: Returns the auth array for requests.  If not set, will return null.
  
  @return array|null
docstring_tokens: Returns the auth array for requests . If not set will return null .