MousewheelSelect

Specifies the configuration of the mousewheel action for selection.

Name	Type	Default	Description
reverse?	boolean		Determines whether to reverse the mousewheel direction. The normal direction is down for "zoom out". The normal direction is up for "zoom in".
zoom?	"both" | "left" | "right"		Specifies the zoom direction of the selection. Use both to enable zooming to expand and contract the selection on both sides, left to allow zooming on the left side only, or right to permit zooming on the right side only.