checks if the set contains a descriptor which is record variant . concode_field_sep Set<FactDescriptor<?>> nanSet concode_elem_sep Set<FactDescriptor<?>> variantSet concode_elem_sep TreeSet<FactDescriptor<?>> nonNanSet concode_field_sep boolean add concode_elem_sep Iterator<FactDescriptor<?>> variantIterator concode_elem_sep boolean containsAll concode_elem_sep int variantSize concode_elem_sep Iterator<FactDescriptor<?>> descendingIterator concode_elem_sep boolean isEmpty concode_elem_sep void clear concode_elem_sep Iterator<FactDescriptor<?>> nonNanIterator concode_elem_sep boolean remove concode_elem_sep int nonNanSize concode_elem_sep Iterator<FactDescriptor<?>> iterator concode_elem_sep Iterator<FactDescriptor<?>> iterator concode_elem_sep boolean contains concode_elem_sep boolean removeAll concode_elem_sep int nanSize concode_elem_sep int size concode_elem_sep boolean addAll concode_elem_sep boolean equals concode_elem_sep Iterator<FactDescriptor<?>> descendingNonNanIterator concode_elem_sep Object[] toArray concode_elem_sep T[] toArray concode_elem_sep Iterator<FactDescriptor<?>> nanIterator concode_elem_sep boolean retainAll
boolean function ( ) { return variantSize ( ) > 0 ; }