PLYEventPropertyCarousel constructor Null safety
Implementation
PLYEventPropertyCarousel(this.selected_slide, this.number_of_slides,
this.is_carousel_auto_playing, this.default_slide, this.previous_slide);
PLYEventPropertyCarousel(this.selected_slide, this.number_of_slides,
this.is_carousel_auto_playing, this.default_slide, this.previous_slide);