val tagClass: Int,
  /** The tag this adapter expects, or -1 to match any tag. */
  val tag: Long,
  /** Encode and decode the value once tags are handled. */
  private val codec: Codec<T>,
  /** True if the default value should be used if this value is absent during decoding. */
  val isOptional: Boolean = false,
  /** The value to return if this value is absent. Undefined unless this is optional. */

    public static final int ERR_SSN_SRVC = 0x02;

    // name service error codes
    public static final int FMT_ERR = 0x1;
    public static final int SRV_ERR = 0x2;
    public static final int IMP_ERR = 0x4;
    public static final int RFS_ERR = 0x5;
    public static final int ACT_ERR = 0x6;
    public static final int CFT_ERR = 0x7;

    // session service error codes
    public static final int CONNECTION_REFUSED    = -1; 

    public static final int ERR_SSN_SRVC = 0x02;

    // name service error codes
    public static final int FMT_ERR = 0x1;
    public static final int SRV_ERR = 0x2;
    public static final int IMP_ERR = 0x4;
    public static final int RFS_ERR = 0x5;
    public static final int ACT_ERR = 0x6;
    public static final int CFT_ERR = 0x7;

    // session service error codes
    public static final int CONNECTION_REFUSED = -1;

            <configuration>
              <velocityBasedir>${project.basedir}/../../src/mdo</velocityBasedir>
              <version>2.0.0</version>
              <models>
                <model>src/main/mdo/plugin.mdo</model>
              </models>
              <templates>
                <template>model.vm</template>
              </templates>
              <params>

			<cutdirsmapper dirs="1" />
		</unzip>
	</target>

	<target name="remove.jars" if="with.fess">
		<delete>
			<fileset dir="${plugins.dir}">
				<include name="configsync/commons-codec-*" />
				<include name="dataformat/commons-codec-*" />
				<include name="dataformat/commons-collections4-*" />
				<include name="dataformat/commons-compress-*" />
				<include name="dataformat/commons-math3-*" />

 *
 * <h4>Example usage</h4>
 *
 * <pre>{@code
 * class Foo {
 *   private static final ImmutableSet<String> RESERVED_CODES =
 *       ImmutableSet.of("AZ", "CQ", "ZX");
 *
 *   private final ImmutableSet<String> codes;
 *
 *   public Foo(Iterable<String> codes) {
 *     this.codes = ImmutableSet.copyOf(codes);
 *     checkArgument(Collections.disjoint(this.codes, RESERVED_CODES));
 *   }
 * }
 * }</pre>
 *

   * ThreadLocal holding a single-slot int array holding hash code. Unlike the JDK8 version of this
   * class, we use a suboptimal int[] representation to avoid introducing a new type that can impede
   * class-unloading when ThreadLocals are not removed.
   */
  static final ThreadLocal<int @Nullable []> threadHashCode = new ThreadLocal<>();

  /** Generator of new random hash codes */
  static final Random rng = new Random();

Using the below example document:
<img width="85%" src="https://bradley.codes/static/img/jstream-levels.gif" alt="jstream"/>

we can choose to extract and act only the objects within the top-level array:
```go
f, _ := os.Open("input.json")

            </goals>
            <configuration>
              <version>2.0.0</version>
              <velocityBasedir>${project.basedir}/../../src/mdo</velocityBasedir>
              <models>
                <model>src/main/mdo/settings.mdo</model>
              </models>
              <templates>
                <template>model.vm</template>
              </templates>
              <params>

pkg p1, method (TPtrUnexported) OnBothTandBVal()
pkg p1, type B struct
pkg p1, type ByteStruct struct
pkg p1, type ByteStruct struct, B uint8
pkg p1, type ByteStruct struct, R int32
pkg p1, type Codec struct
pkg p1, type Codec struct, Func func(int, int) int
pkg p1, type EmbedSelector struct
pkg p1, type EmbedSelector struct, embedded Time
pkg p1, type EmbedURLPtr struct
pkg p1, type EmbedURLPtr struct, embedded *URL