public void addNotEmptyProperty(@NotNull @NonNls String propertyName, @Nullable @NonNls String propertyValue) {
    if (StringUtil.isEmptyOrSpaces(propertyValue)) return;
    addProperty(propertyName, propertyValue);
  }
public void addNotEmptyProperty(@NotNull @NonNls String propertyName, @Nullable @NonNls String propertyValue)