@tracking_mode.setter
def tracking_mode(self, value: Optional[pulumi.Input['BackendServiceConnectionTrackingPolicyTrackingMode']]):
    pulumi.set(self, 'tracking_mode', value)
@tracking_mode.setter
def tracking_mode(self, value: Optional[pulumi.Input['BackendServiceConnectionTrackingPolicyTrackingMode']]):
    pulumi.set(self, 'tracking_mode', value)