code: @Override
      public Object evaluate(Map<String, ? extends Object> contextMap, LaContainer container, Class<?> resultType) {
          if (parsed instanceof String) {
              final Object hooked = hookPlainly((String) parsed, contextMap, container, resultType);
              if (hooked != null) {
                  if (isInternalDebug()) {
                      logger.debug("#fw_debug Parsed as simple expression by plain hook: {} => {}", parsed, hooked);
                  }
                  return hooked;
              }
          }
          if (isInternalDebug()) {
              logger.debug("#fw_debug ...Evaluating the script by expression engine: script={}", parsed);
          }
          return engine.evaluate(parsed, contextMap, container, resultType);
      }
docs: ========