Is this bean "abstract", that is, not meant to be instantiated itself but rather just serving as parent for concrete child bean definitions? The default is "false".
If set to a value different from "disabled", the Blueprint Container
will introspect the target to discover the set of interfaces or classes
that the service will be registered under.
The relative resource location of the XML (bean definition) file to import,
for example "myImport.xml" or "includes/myImport.xml" or "../myImport.xml".
The scope of this bean: typically "singleton" (one shared instance, which will be returned by all calls to getBean with the given id), or "prototype" (independent instance resulting from each call to getBean).