my ($self, $in, $out) = @_;
    my $tail;
    if($in eq 'Bio::EnsEMBL::SeqFeature'){
        $tail = 'ens_bio_seqFeature';
    }elsif($in eq 'Bio::Ens::EMBL::FeaturePair'){
        $tail = 'ens_bio_featurePair';
    }else{
        $self->throw("[$in] to [$out], not supported");
    }
    return "Bio::EnsEMBL::Utils::Converter::$tail";
}

1;

    my ($caller, @args) = @_;
    my $class = ref($caller) || $caller;

    if($class eq 'Bio::EnsEMBL::Utils::Converter::ens_bio'){
        my %params = @args;
        @params{map{lc $_} keys %params} = values %params;
        my $module = $class->_guess_module($params{-in}, $params{-out});
        return undef unless ($class->_load_module($module));
        return "$module"->new(@args);
    }else{
        my $self = $class->SUPER::new(@args);
#        $self->_initialize(@args);
        return $self;
    }

}

# Unlike bio_ens, ens_bio does not need _initialize method for analysis and 
# contig information.
#

  Copyright (c) 1999-2009 The European Bioinformatics Institute and
  Genome Research Limited.  All rights reserved.

  This software is distributed under a modified Apache license.
  For license details, please see

    /info/about/code_licence.html

  Please email comments or questions to the public Ensembl
  developers list at <ensembl-dev@ebi.ac.uk>.

  Questions may also be sent to the Ensembl help desk at
  <helpdesk@ensembl.org>.