CustomTarget width & height parameter is PX or DP?

[flamyoad]

    Glide.with(context)
        .asDrawable()
        .load(imageUrl)
        .into(object: CustomTarget<Drawable>(32, 32) { // <--- This is in dp or px?
            override fun onResourceReady(resource: Drawable, transition: Transition<in Drawable>?) {
                 // no-op
            }
            override fun onLoadCleared(placeholder: Drawable?) {
                // no-op
            }
        })

As titled, the constructor for CustomTarget accepts width and height as the requested size. But it did not mention if they should be px or dp.