100644 blob 1045736b51df12ec3c7d1ac53d502531b6035584	Extensible.java
100644 blob 6e02fa20699d954cc0f730f0815f7d586561023c	Extension.java
100644 blob 5a096baf81cd68da07290857b6012f153d870179	ExtensionPoint.java
100644 blob 1d025de66e5116ec0c9a79a15addcfc66b65b467	SimpleExtensionPoint.java