def __init__(__self__, *, duration: Optional[pulumi.Input['DurationArgs']]=None, end_time: Optional[pulumi.Input[str]]=None, start_time: Optional[pulumi.Input[str]]=None):
    '\n        :param pulumi.Input[str] start_time: Start time of the Future Reservation. The start_time is an RFC3339 string.\n        '
    if (duration is not None):
        pulumi.set(__self__, 'duration', duration)
    if (end_time is not None):
        pulumi.set(__self__, 'end_time', end_time)
    if (start_time is not None):
        pulumi.set(__self__, 'start_time', start_time)
:param pulumi.Input[str] start_time: Start time of the Future Reservation. The start_time is an RFC3339 string.
def __init__(__self__, *, duration: Optional[pulumi.Input['DurationArgs']]=None, end_time: Optional[pulumi.Input[str]]=None, start_time: Optional[pulumi.Input[str]]=None):
    '\n        \n        '
    if (duration is not None):
        pulumi.set(__self__, 'duration', duration)
    if (end_time is not None):
        pulumi.set(__self__, 'end_time', end_time)
    if (start_time is not None):
        pulumi.set(__self__, 'start_time', start_time)