checkVersionsEqual("1", "1.0-0");
        checkVersionsEqual("1.0", "1.0-0");
        // no separator between number and character
        checkVersionsEqual("1a", "1-a");
        checkVersionsEqual("1a", "1.0-a");
        checkVersionsEqual("1a", "1.0.0-a");
        checkVersionsEqual("1.0a", "1-a");
        checkVersionsEqual("1.0.0a", "1-a");
        checkVersionsEqual("1x", "1-x");

        assertEquals(range, parseValid(range.toString()));
    }

    @Test
    void testLowerBoundExclusiveUpperBoundInclusive() {
        VersionRange range = parseValid("(1a,1b]");
        assertNotContains(range, "1a");
        assertContains(range, "1b");
        assertEquals(range, parseValid(range.toString()));
    }

    @Test
    void testLowerBoundExclusiveUpperBoundExclusive() {

```
              object metadata                                         KMS
                    |                                                  |
                    |                     +----------------+        1a |  +-------+
                    |-------------------->| EK_1_encrypted |-----------|->| CMK_1 |
                    |                     +----------------+           |  +---+---+

    assertThat(formEncode(23)).isEqualTo("%17")
    assertThat(formEncode(24)).isEqualTo("%18")
    assertThat(formEncode(25)).isEqualTo("%19")
    assertThat(formEncode(26)).isEqualTo("%1A")
    assertThat(formEncode(27)).isEqualTo("%1B")
    assertThat(formEncode(28)).isEqualTo("%1C")
    assertThat(formEncode(29)).isEqualTo("%1D")
    assertThat(formEncode(30)).isEqualTo("%1E")

    }

    @Test
    void testDelimiters() {
        assertOrder(X_EQ_Y, "1.0", "1-0");
        assertOrder(X_EQ_Y, "1.0", "1_0");
        assertOrder(X_EQ_Y, "1.a", "1a");
    }

    @Test
    void testLeadingZerosAreSemanticallyIrrelevant() {
        assertOrder(X_EQ_Y, "1", "01");
        assertOrder(X_EQ_Y, "1.2", "1.002");
        assertOrder(X_EQ_Y, "1.2.3", "1.2.0003");

		err := p.ParseString(tc, &id)
		if err != nil {
			t.Fatalf("%d: %v", i, err)
		}
		// repr.Println(id, repr.Indent("  "), repr.OmitEmpty(true))
	}

	invalidCases := []string{
		"+a",
		"-a",
		"1a",
		`"ab`,
		`abc"`,
		`aa""a`,
		`"a"a"`,
	}
	for i, tc := range invalidCases {
		err := p.ParseString(tc, &id)
		if err == nil {
			t.Fatalf("%d: %v", i, err)
		}
		// fmt.Println(tc, err)

  static final Integer N3 = 3;
  static final Integer N4 = 4;
  static final Integer N5 = 5;
  static final Integer NODE_NOT_IN_GRAPH = 1000;

  static final String E11 = "1-1";
  static final String E11_A = "1-1a";
  static final String E12 = "1-2";
  static final String E12_A = "1-2a";
  static final String E12_B = "1-2b";
  static final String E21 = "2-1";
  static final String E13 = "1-3";
  static final String E14 = "1-4";

  private static final Integer N2 = 2;
  private static final Integer N3 = 3;
  private static final Integer N4 = 4;
  private static final String E11 = "1-1";
  private static final String E11_A = "1-1a";
  private static final String E12 = "1-2";
  private static final String E12_A = "1-2a";
  private static final String E12_B = "1-2b";
  private static final String E21 = "2-1";
  private static final String E13 = "1-3";

0000180 3e f1 de 91 2f e3 9c 1b 82 cc c2 84 39 aa e6 de
0000190 b4 69 fc cc cb 72 a6 61 45 f0 d3 1d 26 19 7c 8d
00001a0 29 c8 66 02 be 77 6a f9 3d 34 79 17 19 c8 96 24
00001b0 a3 ac e4 dd 3b 1a 8e c6 fe 96 38 6b bf 67 5a 23
00001c0 f4 16 f4 e6 8a b4 fc c2 cd bf 95 66 1d bb 35 aa
00001d0 92 7d 66 d8 08 8d a5 1f 54 2a af 09 cf 61 ff d2
00001e0 85 9d 8f b6 d7 88 07 4a 86 03 db 64 f3 d9 92 73

github.com/go-logfmt/logfmt v0.6.0/go.mod h1:WYhtIu8zTZfxdn5+rREduYbwxfcBr/Vr6KEVveWlfTs=
github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY=
github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=