The getter allows to request the actual value of the service provider.
Syntax
template <FieldConfig>
auto amsr::socal::fields::ProxyField<FieldConfig>::Get() ->ara::core::Future<FieldType>
Returns
The current field value wrapped in a future object.

Note: In polling runtime processing mode, it is not allowed to register a Future::then()
callback on the returned future object.
Thread-safety, Reentrance, Result Delivery
- Threadsafe : FALSE for same class instance, TRUE for different instances
- Reentrant : FALSE for same class instance, TRUE for different instances
- Synchronous : FALSE