toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() {
final expireBehavior = this.expireBehavior;
final expireTime = this.expireTime;
final upgradeTime = this.upgradeTime;
return {
'expireBehavior': ?expireBehavior,
'expireTime': ?expireTime,
'upgradeTime': ?upgradeTime,
};
}