def METHOD_NAME(self):
    self.native = self._make_instance()
    self.native.interface = self.interface
    self.native.impl = self
    self.native.delegate = self.native
    self.native.bezeled = True
    self.native.bezelStyle = NSTextFieldSquareBezel
    # Add an (initially hidden) annotation to display errors
    self.add_error_label()
    # Add the layout constraints
    self.add_constraints()