.ɵɵelementStart(0, "div") // SOURCE: "/input_binding_class.ts" <div 
…
.ɵɵtext(1, "Message") // SOURCE: "/input_binding_class.ts" Message
…
.ɵɵelem // SOURCE: "/input_binding_class.ts" </div>'
…
.ɵɵclassProp("initial", ctx.isInitial) // SOURCE: "/input_binding_class.ts" [class.initial]="isInitial">