def extended(self) -> ListP:
        """The body structure attributes with extension data."""
        return ListP([String.build(self.maintype), String.build(self.subtype),
                      _ParamsList(self.content_type_params),
                      String.build(self.content_id),
                      String.build(self.content_description),
                      String.build(self.content_transfer_encoding,
                                   fallback=b'7BIT'),
                      Number(self.size),
                      String.build(self.body_md5),
                      String.build(self.content_disposition),
                      String.build(self.content_language),
                      String.build(self.content_location)])
def extended ( self ) -> ListP : return ListP ( [ String . build ( self . maintype ) , String . build ( self . subtype ) , _ParamsList ( self . content_type_params ) , String . build ( self . content_id ) , String . build ( self . content_description ) , String . build ( self . content_transfer_encoding , fallback = b'7BIT' ) , Number ( self . size ) , String . build ( self . body_md5 ) , String . build ( self . content_disposition ) , String . build ( self . content_language ) , String . build ( self . content_location ) ] )
The body structure attributes with extension data.