AxisDataLimitsCallback (Charba - J2CL and GWT charts library based on CHART.JS)

```
public interface AxisDataLimitsCallback
```
Interface to be implemented which can be used to change parameters in the scale during data limits determination.

Author:

Andrea "Stock" Stocchero

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`onAfterDataLimits(Axis axis, AxisItem item)`	Callback that runs after data limits are determined.
`void`	`onBeforeDataLimits(Axis axis, AxisItem item)`	Callback that runs before data limits are determined.

- Method Detail
  - onBeforeDataLimits
```
void onBeforeDataLimits(Axis axis,
                        AxisItem item)
```
    Callback that runs before data limits are determined.
    
    Parameters:
    
    axis - axis instance where this callback as been defined
    
    item - axis item instance
  - onAfterDataLimits
```
void onAfterDataLimits(Axis axis,
                       AxisItem item)
```
    Callback that runs after data limits are determined.
    
    Parameters:
    
    axis - axis instance where this callback as been defined
    
    item - axis item instance