See: Description
| Interface | Description | 
|---|---|
| TooltipPositioner | Interface to be implemented to create a custom tooltip positionier in order address where the tooltip must be showed on
 canvas. | 
| Class | Description | 
|---|---|
| AbstractTooltipPositioner | Abstract class which implements a positioner. | 
| CustomTooltipPosition | Custom tooltip position to use into chart options to configure charts. It must not be equals of the out of the box ones. | 
| Point | This object is wrapping the native java script object provided by tooltip positioner to know the position of the event in
 canvas coordinates. | 
| Positioner | Manages the custom tooltip positioner. | 
| PositionerContext | The positioner context is used to give contextual information to the tooltip positioner function. |