stream.defaultReadObject();
    int distinctElements = Serialization.readCount(stream);
    setBackingMap(Maps.<E, Count>newHashMap());
    Serialization.populateMultiset(this, stream, distinctElements);
  }

  @GwtIncompatible // Not needed in emulated source.
  @J2ktIncompatible
  private static final long serialVersionUID = 0;

    stream.defaultReadObject();
    int distinctElements = Serialization.readCount(stream);
    setBackingMap(new LinkedHashMap<E, Count>());
    Serialization.populateMultiset(this, stream, distinctElements);
  }

  @GwtIncompatible // not needed in emulated source
  @J2ktIncompatible
  private static final long serialVersionUID = 0;

    Class<E> localType = (Class<E>) requireNonNull(stream.readObject());
    type = localType;
    enumConstants = type.getEnumConstants();
    counts = new int[enumConstants.length];
    Serialization.populateMultiset(this, stream);
  }

  @GwtIncompatible // Not needed in emulated source
  private static final long serialVersionUID = 0;

    Class<E> localType = (Class<E>) requireNonNull(stream.readObject());
    type = localType;
    enumConstants = type.getEnumConstants();
    counts = new int[enumConstants.length];
    Serialization.populateMultiset(this, stream);
  }

  @GwtIncompatible // Not needed in emulated source
  private static final long serialVersionUID = 0;