import junit.framework.TestCase;

/**
 * Tests that all package-private {@code writeReplace} methods are overridden in any existing
 * subclasses. Without such overrides, optimizers might put a {@code writeReplace}-containing class
 * and its subclass in different packages, causing the serialization system to fail to invoke {@code
 * writeReplace} when serializing an instance of the subclass. For an example of this problem, see
 * b/310253115.

import junit.framework.TestCase;

/**
 * Tests that all package-private {@code writeReplace} methods are overridden in any existing
 * subclasses. Without such overrides, optimizers might put a {@code writeReplace}-containing class
 * and its subclass in different packages, causing the serialization system to fail to invoke {@code
 * writeReplace} when serializing an instance of the subclass. For an example of this problem, see
 * b/310253115.

      @GwtIncompatible // serialization
      Object writeReplace() {
        return super.writeReplace();
      }
    };
  }

  // redeclare to help optimizers with b/310253115
  @SuppressWarnings("RedundantOverride")
  @Override
  @J2ktIncompatible // serialization
  @GwtIncompatible // serialization
  Object writeReplace() {
    return super.writeReplace();
  }

    // redeclare to help optimizers with b/310253115
    @SuppressWarnings("RedundantOverride")
    @Override
    @J2ktIncompatible // serialization
    @GwtIncompatible // serialization
    Object writeReplace() {
      return super.writeReplace();
    }
  }

  abstract V getValue(int iterationIndex);

  @Override
  final ImmutableCollection<V> createValues() {
    return isEmpty() ? ImmutableList.<V>of() : new Values();
  }

  }

  // redeclare to help optimizers with b/310253115
  @SuppressWarnings("RedundantOverride")
  @Override
  @J2ktIncompatible // serialization
  @GwtIncompatible // serialization
  Object writeReplace() {
    return super.writeReplace();
  }

    // redeclare to help optimizers with b/310253115
    @SuppressWarnings("RedundantOverride")
    @J2ktIncompatible // serialization
    @Override
    @GwtIncompatible // serialization
    Object writeReplace() {
      return super.writeReplace();
    }
  }

  private final class Row extends ImmutableArrayMap<C, V> {
    private final int rowIndex;

    Row(int rowIndex) {
      super(rowCounts[rowIndex]);

  }

  // redeclare to help optimizers with b/310253115
  @SuppressWarnings("RedundantOverride")
  @Override
  @J2ktIncompatible // serialization
  @GwtIncompatible // serialization
  Object writeReplace() {
    return super.writeReplace();
  }

  // No longer used for new writes, but kept so that old data can still be read.
  @GwtIncompatible // serialization
  @J2ktIncompatible
  @SuppressWarnings("unused")

    // redeclare to help optimizers with b/310253115
    @SuppressWarnings("RedundantOverride")
    @J2ktIncompatible // serialization
    @Override
    @GwtIncompatible // serialization
    Object writeReplace() {
      return super.writeReplace();
    }
  }

  private final class Row extends ImmutableArrayMap<C, V> {
    private final int rowIndex;

    Row(int rowIndex) {
      super(rowCounts[rowIndex]);

      @SuppressWarnings("RedundantOverride")
      @Override
      @J2ktIncompatible // serialization
      @GwtIncompatible // serialization
      Object writeReplace() {
        return super.writeReplace();
      }
    };
  }

  @GwtIncompatible // serialization
  @Override
  public void forEach(Consumer<? super V> action) {
    checkNotNull(action);

    // redeclare to help optimizers with b/310253115
    @SuppressWarnings("RedundantOverride")
    @Override
    @J2ktIncompatible // serialization
    @GwtIncompatible // serialization
    Object writeReplace() {
      return super.writeReplace();
    }
  }

  @Override
  Entry<E> getEntry(int index) {
    return contents.getEntry(index);
  }

  @GwtIncompatible