code: public StructuredQueryDefinition value(TextIndex index, Number... values) {
      return new ValueQuery(index, null, null, null, values);
    }
docs: Matches an JSON property that has a value with the same numeric
  value as at least one of the criteria values.  Note this method will not
  match any XML node.
  @param index    the value container
  @param values    the possible values to match
  @return    the StructuredQueryDefinition for the value query