"This change modifies Go to ___________"
  + Lowercase verb after the colon
  + No trailing period
  + Keep the title as short as possible. ideally under 76 characters or shorter
+ No Markdown
+ The first PR comment (this one) is wrapped at 76 characters, unless it's
  really needed (ASCII art, table, or long link)
+ If there is a corresponding issue, add either `Fixes #1234` or `Updates #1234`

    final EnumSet<E> delegate;

    EnumSerializedForm(EnumSet<E> delegate) {
      this.delegate = delegate;
    }

    Object readResolve() {
      // EJ2 #76: Write readObject() methods defensively.
      return new ImmutableEnumSet<E>(delegate.clone());
    }

    @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 0;
  }

    )

val ALL_CROSS_VERSION_BUCKETS =
    listOf(
        listOf("0.0", "5.0"), // 0.0 <= version < 5.0
        listOf("5.0", "7.3"), // 5.0 <=version < 7.3
        listOf("7.3", "7.6"), // 7.3 <=version < 7.6
        listOf("7.6", "8.2"), // 7.6 <=version < 8.2
        listOf("8.2", "8.4"), // 8.2 <=version < 8.4
        listOf("8.4", "8.6"), // 8.4 <=version < 8.6
        listOf("8.6", "8.8"), // 8.6 <=version < 8.8