How to import/use static inner class

[amsitlab]

How to import or use static inner class like android.view.ViewGroup.LayoutParams

I have try:

import "android.view.ViewGroup.LayoutParams"
-- showing error like "no static field LayoutParams"

import "android.view.ViewGroup$LayoutParams"
-- showing error like "error field ... ViewGroup$LayoutParams"

import "android.view.ViewGroup"
print(ViewGroup.LayoutParams)
-- showing error like "no static field LayoutParams"

[amsitlab]

Also class function isn't defined