(self, name, value)
Given the header name and the value from the model, return binary
        data containing linesep characters that implement the folding of the
        header according to the policy controls.  The value passed in by the
        email package may contain surrogateescaped binary data.
Given the header name and the value from the model, return binary
        data containing linesep characters that implement the folding of the
        header according to the policy controls.  The value passed in by the
        email package may contain surrogateescaped binary data.
Given the header name and the value from the model return binary data containing linesep characters that implement the folding of the header according to the policy controls . The value passed in by the email package may contain surrogateescaped binary data .
def fold_binary(self, name, value):
        """Given the header name and the value from the model, return binary
        data containing linesep characters that implement the folding of the
        header according to the policy controls.  The value passed in by the
        email package may contain surrogateescaped binary data.

        """
        raise NotImplementedError
def fold_binary ( self , name , value ) : raise NotImplementedError