static String reduce(final String key) {
      if (key == null) {
        return null;
      }
      final String lowerCaseKey = key.toLowerCase();
      for (final String prefix : PREFIXES) {
        if (lowerCaseKey.startsWith(prefix)) {
          return key.substring(prefix.length());
        }
      }
      return key;
    }
This method clones a new {@link PipeParameters} with equivalent attributes in this {@link
PipeParameters} added by (non-existed) or replaces with (existed) those from another {@link
PipeParameters}.

@param that provide the key that needs to be updated along with the value
@return this {@link PipeParameters}
iotdb-api/pipe-api/src/main/java/org/apache/iotdb/pipe/api/customizer/parameter/PipeParameters.java