export interface IInteractorService { listen ( canvas ) : void ; disconnect ( ) : void ; connect ( ) : void ; destroy ( ) : void ; on ( event , args ? ) : void ; } export enum IInteractorEvent { PANSTART = 'PANSTART' , PANEND = 'PANEND' , PANMOVE = 'PANMOVE' , PINCH = 'PINCH' , KEYDOWN = 'KEYDOWN' , KEYUP = 'KEYUP' , HOVER = 'HOVER' }