Changed paths:
M checker/src/main/java/org/checkerframework/checker/signature/SignatureChecker.java
R checker/src/main/java/org/checkerframework/checker/signature/bcel.astub
A checker/src/main/java/org/checkerframework/checker/signature/java-lang-classfile.astub
Log Message:
-----------
Add stub for `java.lang.classfile`