*/
    public String getKey() {
        return constructKey(getGroupId(), getArtifactId());
    }

    /**
     * @param groupId the group ID of the plugin in the repository
     * @param artifactId the artifact ID of the reporting plugin in the repository
     * @return the key of the plugin, ie {@code groupId:artifactId}
     */
    public static String constructKey(String groupId, String artifactId) {

  }

  fun readOctetString(): ByteString {
    if (bytesLeft == -1L || constructed) {
      throw ProtocolException("constructed octet strings not supported for DER")
    }
    return source.readByteString(bytesLeft)
  }

  fun readUtf8String(): String {
    if (bytesLeft == -1L || constructed) {
      throw ProtocolException("constructed strings not supported for DER")
    }
    return source.readUtf8(bytesLeft)
  }

   * also relies on object identity of funnels.
   *
   * @param funnel the funnel of T's that the constructed {@code BloomFilter} will use
   * @param expectedInsertions the number of expected insertions to the constructed {@code
   *     BloomFilter}; must be positive
   * @return a {@code Collector} generating a {@code BloomFilter} of the received elements

  }

  /**
   * Returns, as an immutable list, the row keys provided when the table was constructed, including
   * those that are mapped to null values only.
   */
  public ImmutableList<R> rowKeyList() {
    return rowList;
  }

  /**
   * Returns, as an immutable list, the column keys provided when the table was constructed,
   * including those that are mapped to null values only.
   */

 *     unless it is constrained by using a method like {@link #nodeOrder}, or the builder is
 *     constructed based on an existing {@code ValueGraph} using {@link #from(ValueGraph)}.
 * @param <V> The most general value type this builder will support. This is normally {@code Object}
 *     unless the builder is constructed based on an existing {@code Graph} using {@link
 *     #from(ValueGraph)}.
 * @since 20.0
 */

  @J2ktIncompatible
  @Override
  public void refresh(K key) {
    delegate().refresh(key);
  }

  /**
   * A simplified version of {@link ForwardingLoadingCache} where subclasses can pass in an already
   * constructed {@link LoadingCache} as the delegate.
   *
   * @since 10.0
   */
  public abstract static class SimpleForwardingLoadingCache<K, V>
      extends ForwardingLoadingCache<K, V> {

     * @param fessConfig The Fess configuration.
     * @param context The query context.
     * @param builder The function to build individual field queries.
     * @return The constructed default query builder.
     */
    protected DefaultQueryBuilder buildDefaultQueryBuilder(final FessConfig fessConfig, final QueryContext context,
            final DefaultQueryBuilderFunction builder) {

 *     constructed based on an existing {@code Network} using {@link #from(Network)}.
 * @param <E> The most general edge type this builder will support. This is normally {@code Object}
 *     unless it is constrained by using a method like {@link #edgeOrder}, or the builder is
 *     constructed based on an existing {@code Network} using {@link #from(Network)}.
 * @since 20.0
 */

        QueryParseException queryParseException = new QueryParseException(null);
        assertNotNull(queryParseException);
        assertNull(queryParseException.getCause());
        // getMessage() may return null when constructed with null
        // This is expected behavior for exceptions with null cause
    }

    @Test
    public void test_nestedCause() {
        // Test with nested exceptions

  }

  @Override
  public void cleanUp() {
    delegate().cleanUp();
  }

  /**
   * A simplified version of {@link ForwardingCache} where subclasses can pass in an already
   * constructed {@link Cache} as the delegate.
   *
   * @since 10.0
   */
  public abstract static class SimpleForwardingCache<K, V> extends ForwardingCache<K, V> {
    private final Cache<K, V> delegate;