Async variant of SaveEntityCollection(IEntityCollection2). Saves all dirty objects inside the collection passed to the persistent storage. It will do this inside a transaction if a transaction is not yet available. Will not refetch saved entities and will not recursively save the entities.

Task<int> SaveEntityCollectionAsync(
	IEntityCollection2 collectionToSave,
	CancellationToken cancellationToken
)

Function SaveEntityCollectionAsync ( 
	collectionToSave As IEntityCollection2,
	cancellationToken As CancellationToken
) As Task(Of Integer)