toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() {
final endClosed = this.endClosed;
final endOpen = this.endOpen;
final startClosed = this.startClosed;
final startOpen = this.startOpen;
return {
'endClosed': ?endClosed,
'endOpen': ?endOpen,
'startClosed': ?startClosed,
'startOpen': ?startOpen,
};
}