numberOfFrames property
      
      int
      get
      numberOfFrames
      
    
    
    
Implementation
int get numberOfFrames => js_util.getProperty(this, 'numberOfFrames');
      
      set
      numberOfFrames
      (int newValue) 
      
    
    
    
Implementation
set numberOfFrames(int newValue) {
  js_util.setProperty(this, 'numberOfFrames', newValue);
}