||Wrapper around MutablePicoContainer which provides simple component caching.
||Provides static methods for accessing JIRA's managed components — that is, the components in
||Worker class that insulates the API from the implementation dependencies in ManagerFactory etc.
||Provides a way to obtain a dependency that cannot be injected due to a circular reference
and without having to make numerous explicit calls to
||Represents a reference like
ComponentReference but for OSGi Components.