||Context for the installation tasks.
||The install task factory creates a task for a given
||A resource that's been registered in the OSGi controller.
||A resource transformer transform a registered resource
before it can be installed.
||The retry handler should be informed by external services
whenever something in the system changed which might make
it worth to retry a failed installed.
||A task resource is a registered resource which has been
processed by a
ResourceTransformer and is now
about to be processed by an .
||This is a group of resources all pointing to the same artifact,
but maybe in different versions or locations.