windowId property
      
      int?
      get
      windowId
      
    
    
The window in which to open the side panel. This is only applicable if
the extension has a global (non-tab-specific) side panel or
tabId is also specified. This will override any
currently-active global side panel the user has open in the given
window. At least one of this or tabId must be provided.
Implementation
int? get windowId => _wrapped.windowId;
      
      set
      windowId
      (int? v) 
      
    
    
    
Implementation
set windowId(int? v) {
  _wrapped.windowId = v;
}