original_string: public function updateSequence(): \Generator
      {
          $sequence = $this->config['update'] ?? $this->config['updateSequence'] ?? [];
          foreach ($sequence as $item) {
              yield $this->parseSequence($item);
          }
      }
code: public function updateSequence(): \Generator
      {
          $sequence = $this->config['update'] ?? $this->config['updateSequence'] ?? [];
          foreach ($sequence as $item) {
              yield $this->parseSequence($item);
          }
      }
code_tokens: public function updateSequence ( ) : \ Generator { $ sequence = $ this -> config [ 'update' ] ?? $ this -> config [ 'updateSequence' ] ?? [ ] ; foreach ( $ sequence as $ item ) { yield $ this -> parseSequence ( $ item ) ; } }
docstring: Get list of all update sequences.
  
  @return \Generator|SequenceInterface[]
  
  @throws ConfigException
docstring_tokens: Get list of all update sequences .