message: TimeRangeChangeEventHandler methods added
diff: @@ -73,3 +73,14 @@ export type MouseEventHandler = (param: MouseEventParams) => void;
  `point` is not defined if an event was fired outside of the chart (for example on a mouse leave event).
  `seriesPrices` contains all series prices according to the event point details.
  +
  +### TimeRangeChangeEventHandler
  +
  +TimeRangeChangeEventHandler is a type of callback that is being used to get notified about chart time range changes.
  +
  +|Name|Description|
  +|-|-|
  +|`subscribeVisibleTimeRangeChange(handler: TimeRangeChangeEventHandler): void;`|Adds a subscription to visible range changes to receive notification about visible range of data changes|
  +|`unsubscribeVisibleTimeRangeChange(handler: TimeRangeChangeEventHandler): void;`|Removes a subscription to visible range changes|
  +
  +
  