{
"start_day": "DAY_OF_WEEK_UNSPECIFIED",
"start_time": {
"hours": 0,
"minutes": 0,
"seconds": 0,
"nanos": 0
},
"end_day": "DAY_OF_WEEK_UNSPECIFIED",
"end_time": {
"hours": 0,
"minutes": 0,
"seconds": 0,
"nanos": 0
}
}