OSGi Service listening for changes of resources.
These resources are not changed through the installer but through
any other means like a bundle being installed directly through
the framework or a configuration directly changed through the
This attribute defines if a change of the resource should be persisted by the
installer. This property is a boolean value defaulting to true.
The property should be used, if a resource should not be updated/deleted if
the resource is modified/deleted outside of the installer, e.g. if a configuration
is changed or deleted through configuration admin.