// will include a tag and length header as a prefix.
        val adapter = chooser(writer.typeHint) as DerAdapter<Any?>?
        when {
          adapter != null -> adapter.toDer(writer, value)
          else -> writer.writeOctetString(value as ByteString)
        }
      }

      override fun fromDer(reader: DerReader): Any? {
        val adapter = chooser(reader.typeHint) as DerAdapter<Any?>?
        return when {

   * ```
   */
  private val attributeTypeAndValue: BasicDerAdapter<AttributeTypeAndValue> =
    Adapters.sequence(
      "AttributeTypeAndValue",
      Adapters.OBJECT_IDENTIFIER,
      Adapters.any(
        String::class to Adapters.UTF8_STRING,
        Nothing::class to Adapters.PRINTABLE_STRING,
        AnyValue::class to Adapters.ANY_VALUE,
      ),
      decompose = {
        listOf(
          it.type,

  private var limit = -1L

  /** Type hints scoped to the call stack, manipulated with [withTypeHint]. */
  private val typeHintStack = mutableListOf<Any?>()

  /**
   * The type hint for the current object. Used to pick adapters based on other fields, such as
   * in extensions which have different types depending on their extension ID.
   */
  var typeHint: Any?
    get() = typeHintStack.lastOrNull()
    set(value) {

- **Builder Pattern** - `CopyOptions` for configuring bean copying operations with fluent API
- **Adapter Pattern** - Logging adapters (`JclLoggerAdapter`, `JulLoggerAdapter`) for different logging frameworks
- **Template Method** - Resource traversal utilities with customizable handlers

    val sequenceOf = listOf(7L, 8L, 9L)
    val adapter = Adapters.INTEGER_AS_LONG.asSequenceOf()
    assertThat(adapter.fromDer(bytes)).isEqualTo(sequenceOf)
    assertThat(adapter.toDer(sequenceOf)).isEqualTo(bytes)
  }

  @Test fun `point with only x set`() {
    val bytes = "3003800109".decodeHex()
    val point = Point(9L, null)
    assertThat(Point.ADAPTER.fromDer(bytes)).isEqualTo(point)

    assertThat(decoded.subjectAlternativeNames).isEqualTo(
      Extension(
        id = SUBJECT_ALTERNATIVE_NAME,
        critical = false,
        value =
          listOf(
            Adapters.ANY_VALUE to
              AnyValue(
                tagClass = DerHeader.TAG_CLASS_CONTEXT_SPECIFIC,
                tag = 1L,
                constructed = false,
                length = 16,

  public void testTransitivityBrokenAcrossEqualityGroups() {
    EqualsTester tester =
        new EqualsTester()
            .addEqualityGroup(named("foo").addPeers("bar"), named("bar").addPeers("foo", "x"))
            .addEqualityGroup(named("baz").addPeers("x"), named("x").addPeers("baz", "bar"));
    try {
      tester.testEquals();
    } catch (AssertionFailedError e) {
      assertErrorMessage(

  public void testTransitivityBrokenAcrossEqualityGroups() {
    EqualsTester tester =
        new EqualsTester()
            .addEqualityGroup(named("foo").addPeers("bar"), named("bar").addPeers("foo", "x"))
            .addEqualityGroup(named("baz").addPeers("x"), named("x").addPeers("baz", "bar"));
    try {
      tester.testEquals();
    } catch (AssertionFailedError e) {
      assertErrorMessage(

        initialized = true;
    }

    /**
     * Returns the logger adapter factory.
     * <p>
     * Detects available logging frameworks in the following order:
     * 1. SLF4J (if available)
     * 2. Commons Logging (if available)
     * 3. java.util.logging (fallback)
     * </p>
     *
     * @return the logger adapter factory
     */
    protected static LoggerAdapterFactory getLoggerAdapterFactory() {

=== ":material-language-kotlin: Kotlin"
    ```kotlin
      private val client = OkHttpClient()
      private val moshi = Moshi.Builder().build()
      private val gistJsonAdapter = moshi.adapter(Gist::class.java)

      fun run() {
        val request = Request.Builder()
            .url("https://api.github.com/gists/c2a7c39532239ff261be")
            .build()