fun <T : android.view.View> T.collapsingToolbarlparams(
        width: <http://kotlin.Int|kotlin.Int> = wrapContent, height: <http://kotlin.Int|kotlin.Int> = wrapContent,
        init: android.support.design.widget.CollapsingToolbarLayout.LayoutParams.() -> kotlin.Unit = defaultInit): T {
    val layoutParams = android.support.design.widget.CollapsingToolbarLayout.LayoutParams(width, height)
    layoutParams.init()
    this.layoutParams = layoutParams
    return this
}