<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def unwrap(self):
 """ Returns a GLFWvidmode object. """

        size = self.Size(self.width, self.height)
        bits = self.Bits(self.red_bits, self.green_bits, self.blue_bits)
        return self.GLFWvidmode(size, bits, self.refresh_rate)