original_string: protected function _buildModifierPart($parts, $query, $generator)
      {
          if ($parts === []) {
              return '';
          }
  
          return ' ' . implode(' ', $this->_stringifyExpressions($parts, $generator, false));
      }
code: protected function _buildModifierPart($parts, $query, $generator)
      {
          if ($parts === []) {
              return '';
          }
  
          return ' ' . implode(' ', $this->_stringifyExpressions($parts, $generator, false));
      }
code_tokens: protected function _buildModifierPart ( $ parts , $ query , $ generator ) { if ( $ parts === [ ] ) { return '' ; } return ' ' . implode ( ' ' , $ this -> _stringifyExpressions ( $ parts , $ generator , false ) ) ; }
docstring: Builds the SQL modifier fragment
  
  @param array $parts The query modifier parts
  @param \Cake\Database\Query $query The query that is being compiled
  @param \Cake\Database\ValueBinder $generator the placeholder generator to be used in expressions
  @return string SQL fragment.
docstring_tokens: Builds the SQL modifier fragment