code: public static KSMetaData fromSchema(Row serializedKs, Row serializedCFs, Row serializedUserTypes)
      {
          Map<String, CFMetaData> cfs = deserializeColumnFamilies(serializedCFs);
          UTMetaData userTypes = new UTMetaData(UTMetaData.fromSchema(serializedUserTypes));
          return fromSchema(serializedKs, cfs.values(), userTypes);
      }
docs: Deserialize Keyspace with nested ColumnFamilies
  
  @param serializedKs Keyspace in serialized form
  @param serializedCFs Collection of the serialized ColumnFamilies
  
  @return deserialized keyspace with cf_defs