private static String getStringValueOfKnownPart(@NotNull UInjectionHost expression) {
    UStringConcatenationsFacade concatenationsFacade = UStringConcatenationsFacade.createFromUExpression(expression);
    if (concatenationsFacade != null) {
      return concatenationsFacade.asPartiallyKnownString().getConcatenationOfKnown();
    }
    else {
      return expression.evaluateToString();
    }
  }
private static String getStringValueOfKnownPart(@NotNull UInjectionHost expression)