toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (closeTime != null) 'closeTime': closeTime!,
if (closed != null) 'closed': closed!,
if (endDate != null) 'endDate': endDate!,
if (openTime != null) 'openTime': openTime!,
if (startDate != null) 'startDate': startDate!,
};