=head2 io( OBJ )

=head2 fm( OBJ )

=head2 cv( OBJ )

=head2 hv( OBJ )

=head2 pvlv( OBJ )

=head2 gv( OBJ )

=head2 av( OBJ )

=head2 bm( OBJ )

=head2 pvmg( OBJ )

=head2 pvnv( OBJ )

=head2 pviv( OBJ )

=head2 rv( OBJ )

=head2 nv( OBJ )

=head2 iv( OBJ )

=head2 pv( OBJ )

=head2 sv( OBJ )

Returns a boolean indicating whether OBJ is an instance of the B:: class indicated by the method name, and respects any overridden C<-E<gt>isa> methods.