ChecksumCalculator getCalculator();
    }

    /**
     * The checksum calculator.
     */
    interface ChecksumCalculator {
        /**
         * Updates the checksum algorithm inner state with input.
         *
         * @throws NullPointerException if passed in buffer is {@code null}.
         */
        void update(@Nonnull ByteBuffer input);

        /**

            version = parent.getVersion();
            modVersion = replaceCiFriendlyVersion(context, version);
            parent.setVersion(modVersion);
        }
    }

    //
    // Infer inner reactor dependencies version
    //
    void handleReactorDependencies(TransformerContext context, Model model) {
        for (Dependency dep : model.getDependencies()) {
            if (dep.getVersion() == null) {

/**
 * Builds up the transformer context.
 * After the buildplan is ready, the build()-method returns the immutable context useful during distribution.
 * This is an inner class, as it must be able to call readRawModel()
 *
 * @since 4.0.0
 * @deprecated use {@link org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")

            !item.equals(item.toString()));
      }
    }
  }

  /**
   * Class used to test whether equals() correctly handles an instance of an incompatible class.
   * Since it is a private inner class, the invoker can never pass in an instance to the tester
   */
  private enum NotAnInstance {
    EQUAL_TO_NOTHING;
  }

      currentPart = partSource
      return Part(headers, partSource.buffer())
    }

    /** A single part in the stream. It is an error to read this after calling [nextPart]. */
    private inner class PartSource : Source {
      private val timeout = Timeout()

      override fun close() {
        if (currentPart == this) {
          currentPart = null
        }
      }

        } finally {
          this.removeSnapshot = null
        }
      }
    }
  }

  /** A snapshot of the values for an entry. */
  inner class Snapshot internal constructor(
    private val key: String,
    private val sequenceNumber: Long,
    private val sources: List<Source>,
    private val lengths: LongArray,
  ) : Closeable {

                                    .toApiLocation()))
                            : null);
        }
    }

    // -----------------/
    // - Inner Classes -/
    // -----------------/

    /**
     * Class StringFormatter.
     *
     * @version $Revision$ $Date$
     */
    public abstract static class StringFormatter {

  }

  public void testIn_handlesNullPointerException() {
    class CollectionThatThrowsNPE<T> extends ArrayList<T> {
      @J2ktIncompatible // Kotlin doesn't support companions for inner classes
      private static final long serialVersionUID = 1L;

      @Override
      public boolean contains(@Nullable Object element) {
        Preconditions.checkNotNull(element);

query.gsa.meta.prefix=MT_
query.gsa.index.field.charset=charset
query.gsa.index.field.content_type.=content_type
query.collapse.max.concurrent.group.results=4
query.collapse.inner.hits.name=similar_docs
query.collapse.inner.hits.size=0
query.collapse.inner.hits.sorts=
query.default.languages=
query.json.default.preference=_query
query.gsa.default.preference=_query
query.language.mapping=\
ar=ar\n\
bg=bg\n\
bn=bn\n\

   */
  fun newSource(): Source? {
    synchronized(this@Relay) {
      if (file == null) return null
      sourceCount++
    }

    return RelaySource()
  }

  internal inner class RelaySource : Source {
    private val timeout = Timeout()

    /** The operator to read and write the shared file. Null if this source is closed. */