Defines the configuration elements for Apache Karaf commands support. Defines a command bundle. Defines a command. Defines the valid elements for command components. This is based on beans:beanElements, stripping off the bits which are not valid in the command component context. Defines the valid attributes for command components. This is based on beans:beanAttributes, stripping off the bits which are not valid in the command component context. Support for command component elements, which are all basically just beans. Defines a command action. Defines a command documenter. Defines a command completer. Defines a configurable command completer with a set of completers. Defines a configurable command completer with a set of completers. These completers are used for option value completion. Defines a command message source.