public T registerReadListener(ReadListener<?> readListener) {
        if (parameter().getCustomReadListenerList() == null) {
            parameter().setCustomReadListenerList(ListUtils.newArrayList());
        }
        parameter().getCustomReadListenerList().add(readListener);
        return self();
    }
Custom type listener run after default

@param readListener
@return
fastexcel-core/src/main/java/cn/idev/excel/read/builder/AbstractExcelReaderParameterBuilder.java