package Utils;

sub new {
     my $class = shift;
     my $self = {};
     # Bless into the appropriate class
     my $obj = bless $self, $class;
     $obj->init(@_);
     return $obj;
}

sub init {
     # does nothing
}

package Utils::MidLevel

@Utils::MidLevel::ISA = qw(Utils);

sub init {
     my $self = shift;
     my @args = @_;
     $self->SUPER::init(@args);
     # Now do initialization of object
}


package Utils::LowLevel

@Utils::LowLevel::ISA = qw(Utils::MidLevel);

sub init {
     my $self = shift;
     my @args = @_;
     $self->SUPER::init(@args);
     # Now do initialization of this class
}