Event = function(data) {
  this.type = data.type;
  this.state = data.state;
}
An invalid Pointable object.

You can use this Pointable instance in comparisons testing
whether a given Pointable instance is valid or invalid. (You can also use the
Pointable.valid property.)
@static
@type {Leap.Pointable}
@name Invalid
@memberof Leap.Pointable