}

  /**
   * These tests fail in JDK 9 and JDK 10 for an unknown reason. It might be the test; it might be
   * the underlying functionality. Fixing this is not a high priority; if you need it to be fixed,
   * please comment on <a href="https://github.com/google/guava/issues/3086">issue 3086</a>.
   */
  private static boolean isJdk9OrHigher() {
    return JAVA_SPECIFICATION_VERSION.value().startsWith("9")

	}

	// Assume args are validated by ReaderArgs.UnmarshalXML()
	newCsvReader := func(r io.Reader) *csv.Reader {
		ret := csv.NewReader(r)
		ret.Comma = []rune(args.FieldDelimiter)[0]
		ret.Comment = []rune(args.CommentCharacter)[0]
		ret.Quote = []rune{}
		if len([]rune(args.QuoteCharacter)) > 0 {
			// Add the first rune of args.QuoteCharacter
			ret.Quote = append(ret.Quote, []rune(args.QuoteCharacter)[0])
		}

      boilerplate notice, with the fields enclosed by brackets "[]"
      replaced with your own identifying information. (Don't include
      the brackets!)  The text should be enclosed in the appropriate
      comment syntax for the file format. We also recommend that a
      file or class name and description of purpose be included on the
      same "printed page" as the copyright notice for easier

      boilerplate notice, with the fields enclosed by brackets "[]"
      replaced with your own identifying information. (Don't include
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      file or class name and description of purpose be included on the
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      boilerplate notice, with the fields enclosed by brackets "[]"
      replaced with your own identifying information. (Don't include
      the brackets!)  The text should be enclosed in the appropriate
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      checkPositive(++successorCount);

      if (orderedNodeConnections != null) {
        orderedNodeConnections.add(new NodeConnection.Succ<>(node));
      }
    }

    // See the comment on the similar cast in removeSuccessor.
    return previousSuccessor == null ? null : (V) previousSuccessor;
  }

  private static boolean isPredecessor(@CheckForNull Object value) {

      boilerplate notice, with the fields enclosed by brackets "[]"
      replaced with your own identifying information. (Don't include
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      boilerplate notice, with the fields enclosed by brackets "[]"
      replaced with your own identifying information. (Don't include
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      file or class name and description of purpose be included on the
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      replaced with your own identifying information. (Don't include
      the brackets!)  The text should be enclosed in the appropriate
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      boilerplate notice, with the fields enclosed by brackets "[]"
      replaced with your own identifying information. (Don't include
      the brackets!)  The text should be enclosed in the appropriate
      comment syntax for the file format. We also recommend that a
      file or class name and description of purpose be included on the
      same "printed page" as the copyright notice for easier