Why I can not see the 'Example Configuration' in the menuconfig? ESP-IDF_v5.2.2

I opened the menuconfig menu in terminal under my project root path with the command `idf.py menuconfig`

It shows some configurable items like 'Build type', 'Bootloader config', 'Security features', etc.

However, I ...

ov2640, ov3640, or ov5640 are similar serial of CMOS camera. However, their core voltage is not the same.