docs: public static XMethod createXMethod(InvokeInstruction invokeInstruction, ConstantPoolGen cpg) {
          String className = invokeInstruction.getClassName(cpg);
          String methodName = invokeInstruction.getName(cpg);
          String methodSig = invokeInstruction.getSignature(cpg);
          if (invokeInstruction instanceof INVOKEDYNAMIC) {
              // XXX the lambda representation makes no sense for XMethod
              // "classical" instruction attributes are filled with garbage, causing
              // the code later to produce crazy errors (looking for non existing types etc)
              // We should NOT be called here from our code, but 3rd party code still may
              // use this method. So *at least* provide a valid class name, which is
              // (don't ask me why) is encoded in the first argument type of the lambda
              // className = invokeInstruction.getArgumentTypes(cpg)[0].toString();
              className = Values.DOTTED_JAVA_LANG_OBJECT;
          }
          return createXMethod(className, methodName, methodSig, invokeInstruction.getOpcode() == Const.INVOKESTATIC);
      }