Takes (removes) an entry matching the specified id query from the space. Blocks up to the specified timeout (if any) only if a matching entry exists and it is necessary to wait for transactional state to settle.

T TakeIfExistsById<T>(
	IdQuery<T> idQuery,
	ITransaction tx
)

Function TakeIfExistsById(Of T) ( _
	idQuery As IdQuery(Of T), _
	tx As ITransaction _
) As T

generic<typename T>
T TakeIfExistsById(
	IdQuery<T>^ idQuery, 
	ITransaction^ tx
)

J# supports the use of generic APIs, but not the declaration of new ones.