code: @NonNull
    public static AlterTypeStart alterType(@Nullable String keyspace, @NonNull String typeName) {
      return alterType(
          keyspace == null ? null : CqlIdentifier.fromCql(keyspace), CqlIdentifier.fromCql(typeName));
    }
docs: Shortcut for {@link #alterType(CqlIdentifier,CqlIdentifier)
  alterType(CqlIdentifier.fromCql(keyspaceName),CqlIdentifier.fromCql(typeName)}