intercept
Called before the patched method's body runs.
Return
Patches.proceed() to run the body, or Patches.returns(v) to skip it and return v. A value of the wrong type is refused and counted as a handler failure, leaving the method to run normally.
Parameters
key
the patch key that fired
self
the receiver of the patched method (null for static methods)
args
the arguments, boxed; assignments are written back into the parameter slots