code: static <T> LocalDuplicateIndex<T> create( String name,
                                                String workspaceName,
                                                DB db,
                                                Converter<T> converter,
                                                Serializer<T> valueSerializer,
                                                Comparator<T> comparator ) {
          return new LocalDuplicateIndex<>(name, workspaceName, db, converter, valueSerializer, comparator);
      }
docs: Create a new index that allows duplicate values across all keys.
  
  @param name the name of the index; may not be null or empty
  @param workspaceName the name of the workspace; may not be null
  @param db the database in which the index information is to be stored; may not be null
  @param converter the converter from {@link StaticOperand} to values being indexed; may not be null
  @param valueSerializer the serializer for the type of value being indexed
  @param comparator the comparator for the values; may not be null
  @return the new index; never null