public StructuredQueryDefinition containerQuery(ContainerIndex index, StructuredQueryDefinition query) {
    checkQuery(query);
    return new ContainerQuery(index, query);
  }
public StructuredQueryDefinition containerQuery ( ContainerIndex index , StructuredQueryDefinition query ) { checkQuery ( query ) ; return new ContainerQuery ( index , query ) ; }
Matches a query within the substructure contained by an element or JSON property.
@param index    the element or JSON property
@param query    the query over the contained substructure
@return    the StructuredQueryDefinition for the container query