valueAvailability property
valueAvailability Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).
Implementation
Availability? get valueAvailability => throw _privateConstructorUsedError;
valueAvailability Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).
Availability? get valueAvailability => throw _privateConstructorUsedError;