There are a number of minor issues following the big SystemABI push:
* NativeMethodTypes not used consistently and can lead to more simplifications
* names of NativeMethodTypes accessors should align with j.l.i.MethodType
* javadoc issues
* new bug with shortcut of downcall handle
* revert changes to order of imports in j.l.ClassLoader
* NativeMethodTypes not used consistently and can lead to more simplifications
* names of NativeMethodTypes accessors should align with j.l.i.MethodType
* javadoc issues
* new bug with shortcut of downcall handle
* revert changes to order of imports in j.l.ClassLoader