code: public <T> List<T> executeExtractList(final Class<T> clazz, final Object value) throws DevFailed {
          final Object r = command.executeExtract(value);
          return extractList(TypeConversionUtil.castToType(clazz, r));
      }
docs: Execute a command with argin which is a single value
  
  @param <T>
  @param clazz
  @param value
  @return
  @throws DevFailed