public CstType getExceptionClass() {
      return (exceptionClass != null) ? exceptionClass : CstType.OBJECT;
    }
Gets the class of exception handled.

@return {@code non-null;} the exception class; {@link CstType#OBJECT} if this entry handles
    all possible exceptions
android/android_framework/dex-maker/src/main/java/com/android/dx/cf/code/ByteCatchList.java