'A Fastsearch Index consists of a binary file with the fingerprints
and a pointer the actual molecule file.'

def __init__(self, **kwd):

    Binary.__init__(self, **kwd)
    self.add_composite_file('molecule.fs', is_binary=True, description='OpenBabel    Fastsearch    Index')
    self.add_composite_file('molecule.sdf', optional=True, is_binary=False, description='Molecule    File')
    self.add_composite_file('molecule.smi', optional=True, is_binary=False, description='Molecule    File')
    self.add_composite_file('molecule.inchi', optional=True, is_binary=False, description='Molecule    File')
    self.add_composite_file('molecule.mol2', optional=True, is_binary=False, description='Molecule    File')
    self.add_composite_file('molecule.cml', optional=True, is_binary=False, description='Molecule    File')
