javafx.scene.control.SplitPane
This node takes the attributes of the javafx.scene.control.SplitPane see javafx.scene.control.SplitPane.
If the content is a tooltip, the theSplitPane's tooltip will be set to the Tooltip.
If the content is a JavaFX node, then it will be added to the SplitPane's items.
If the content is a "dividerPosition", then the values of the dividierPosition will be used to set the SplitPane's divider positions. see SceneGraphBuilder.splitPane.dividerPosition
Used to create a SplitPane