Take any matching object from the space, blocking until one exists. Return null if the timeout expires.
            
- T
 - Type of object to take.
 
- template (T)
 - The template used for matching.
 
- timeout (Int64)
 - How long the client is willing to wait for a transactionally proper matching object.
 
The object taken from the space (null if no match was found).
| Exception | Condition | 
|---|---|
| UnusableEntryException | A serialized field of the object being read cannot be deserialized. | 
| TransactionException | Transaction error occured. | 
| InactiveSpaceException | The space is in backup mode and therefore is not active. | 
| EntryVersionConflictException | Operation is rejected as a result of optimistic locking version conflict. | 
