String (@NotNull BuilderInfo info) { final String codeBlockFormat = "if (this.{0}" + LOMBOK_KEY + " != null) '{'\n this.{0}" + LOMBOK_KEY + ".clear();\n " + " this.{0}" + LOMBOK_VALUE + ".clear(); '}'\n" + "return {1};"; return MessageFormat.format(codeBlockFormat, info.getFieldName(), info.getBuilderChainResult()); }