code: public static FetchPath getRequestFetchPath() {
          Object properties = Requests.getProperty(PATH_PROPS_PARSED);
          if (properties == null) {
              BeanPathProperties pathProperties = EntityFieldsUtils.parsePathProperties();
              if (pathProperties == null) {
                  Requests.setProperty(PATH_PROPS_PARSED, false);
              } else {
                  properties = EbeanPathProps.of(pathProperties);
                  Requests.setProperty(PATH_PROPS_PARSED, properties);
              }
          } else if (properties.equals(false)) {
              return null;
          }
          return (FetchPath) properties;
      }
docs: parse uri query param to BeanPathProperties for Ebean.json().toJson()
  
  @return BeanPathProperties
  @see CommonBeanSerializer#serialize(Object, JsonGenerator, SerializerProvider)