human
Complete this python program:
def _register_lltd_specific_class(*attr_types):
assistant
#Here is the Python program you requested.

    """This can be used as a class decorator; if we want to support Python
    2.5, we have to replace
    @_register_lltd_specific_class(x[, y[, ...]])
    class LLTDAttributeSpecific(LLTDAttribute):
    by
    class LLTDAttributeSpecific(LLTDAttribute):
    LLTDAttributeSpecific = _register_lltd_specific_class(x[, y[, ...]])(
    LLTDAttributeSpecific
    """
    def _register(cls):
        for attr_type in attr_types:
            SPECIFIC_CLASSES[attr_type] = cls
        type_fld = LLTDAttribute.fields_desc[0].copy()
        type_fld.default = attr_types[0]
        cls.fields_desc = ([type_fld] + cls.fields_desc)
        return cls
    return _register