How to extend Kong Admin API with Golang pdk?

hi experts,

I know in Lua plugin , we can extend the Admin API for the custom plugin like the doc https://docs.konghq.com/2.1.x/plugin-development/admin-api/ explained. but my Kong Plugin need to be implemented in Golang with go-pdk, so I want to know how to extend the Admin API with Go-PDK .

thanks.