method Temporal.PlainDateTime.prototype.add
#PlainDateTime.prototype.add(durationLike: ,options?: ArithmeticOptions,): Temporal.PlainDateTimeParameters #
#durationLike: optional
#options: ArithmeticOptions#PlainDateTime.prototype.add(durationLike: ,options?: ArithmeticOptions,): Temporal.PlainDateTime#durationLike: #options: ArithmeticOptions