change to static method

types/disagg/DisaggGraphView.d.ts

@@ -32,7 +32,7 @@ export class DisaggGraphView extends SelectedCollectionView<DisaggGraphViewOptio
    *         Array contains two sub arrays,
    *         containing minimum and maximum values for each axis.
    */
-  calculateBounds(bindata: DisaggBin[]): number[][];
+  static calculateBounds(bindata: DisaggBin[]): number[][];
 
   /**
    * Use data extents to set view lookAt, origin, and zoom so plot is