@Override
        protected String getTag() {
            return "ByEasyExcelCGLIB";
        }
Helper method to create a new <code>BeanMap</code>.  For finer
control over the generated instance, use a new instance of
<code>BeanMap.Generator</code> instead of this static method.

Custom naming policy to prevent null pointer exceptions.
see: https://github.com/fast-excel/fastexcel/issues/2064

@param bean the JavaBean underlying the map
@return a new <code>BeanMap</code> instance
fastexcel-core/src/main/java/cn/idev/excel/util/BeanMapUtils.java