| Marker annotation for a field that is an application state object as controlled by the
ApplicationStateManager .
An ASO file may have a companion field, of type boolean, used to see if the ASO has been created yet.
If another field exists with the same name, suffixed with "Exists" (i.e., "_aso" for the ASO
field, and "_asoExists" for the companion field) and the type of that field is boolean, then access
to the field will determine whether the ASO has already been created. This is necessary because
even a null check ("_aso != null") will force the ASO to be created. Instead, check te companion
boolean field ("_asoExists").
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