expand property
      
      Object?
      get
      expand
      
    
    
If true, then the element will be expanded. If a number is passed, then up to that number of levels of children will be expanded
Implementation
_i2.Object? get expand => _i5.getProperty(
      this,
      'expand',
    );
      
      set
      expand
      (Object? value) 
      
    
    
    
Implementation
set expand(_i2.Object? value) {
  _i5.setProperty(
    this,
    'expand',
    value ?? _i6.undefined,
  );
}