original_string: protected function normalizeResultSet(array $resultSet)
      {
          $normalized = [];
  
          foreach ($resultSet as $result) {
              if (($normalizedResult = $this->normalizeResult($result)) === null) {
                  continue;
              }
  
              $normalized[$normalizedResult] = $normalizedResult;
          }
  
          return array_keys($normalized);
      }
code: protected function normalizeResultSet(array $resultSet)
      {
          $normalized = [];
  
          foreach ($resultSet as $result) {
              if (($normalizedResult = $this->normalizeResult($result)) === null) {
                  continue;
              }
  
              $normalized[$normalizedResult] = $normalizedResult;
          }
  
          return array_keys($normalized);
      }
code_tokens: protected function normalizeResultSet ( array $ resultSet ) { $ normalized = [ ] ; foreach ( $ resultSet as $ result ) { if ( ( $ normalizedResult = $ this -> normalizeResult ( $ result ) ) === null ) { continue ; } $ normalized [ $ normalizedResult ] = $ normalizedResult ; } return array_keys ( $ normalized ) ; }
docstring: Normalize a result set.
  
  @param array $resultSet The result set.
  
  @return string[]
docstring_tokens: Normalize a result set .