Answers whether a realm has room for one more object.
A replacement of an id already held always has room. Lets a caller ask before it spends a key generation on an object it could not keep.
the realm
the id of the object to be stored
whether it may be stored
Answers whether a realm has room for one more object.
A replacement of an id already held always has room. Lets a caller ask before it spends a key generation on an object it could not keep.