An nsIRDFPropagatableDataSource provides an ability to suppress
 synchronization notifications.
[scriptable, uuid(5a9b4770-9fcb-4307-a12e-4b6708e78b97)]
interface nsIRDFPropagatableDataSource : nsISupports

Attributes

 Set this value to <code>true</code> to enable synchronization
 notifications.

 Set this value to <code>false</code> to disable synchronization
 notifications.

 By default, this value is <code>true</code>.
attribute boolean propagateChanges