code: static Expression stubExpression(Class<?> clazz) {
      return MethodRef.createStaticMethod(
              TypeInfo.create(
                  "if.you.see.this.please.report.a.bug.because.an.error.message.was.swallowed"),
              new org.objectweb.asm.commons.Method("oops", Type.getType(clazz), new Type[0]))
          .invoke();
    }
docs: Returns an expression stub (that points to a non-existing method) whose return type is the
  given class. Useful for scenarios where we're reporting an error and just need an Expression of
  the appropriate type to be able to continue.