Container for splitting and adjusting. Container for splitting two [Control]s vertically or horizontally, with a grabber that allows adjusting the split offset or ratio. Clamps the [member split_offset] value to not go outside the currently possible minimal and maximum values. If [code]true[/code], the area of the first [Control] will be collapsed and the dragger will be disabled. Determines the dragger's visibility. See [enum DraggerVisibility] for details. The initial offset of the splitting between the two [Control]s, with [code]0[/code] being at the end of the first [Control]. Emitted when the dragger is dragged by user. The split dragger is visible when the cursor hovers it. The split dragger is never visible. The split dragger is never visible and its space collapsed.