def METHOD_NAME(self):
    """Create a public convar if :attr:`public_convar` is set to True."""
    name = '{}_version'.format(self.name)
    description = '{} version.'.format(self.verbose_name)
    if self.public_convar is True:
        self.public_convar = PublicConVar(
            name,
            self.version,
            description
        )
    elif isinstance(self.public_convar, dict):
        self.public_convar = PublicConVar(
            self.public_convar.pop('name', name),
            self.public_convar.pop('value', self.version),
            self.public_convar.pop('description', description),
            **self.public_convar)