public boolean canEdit() returns a boolean indicating
      whether or not the user can edit the node.
    Parameters
None
Returns
Returns a boolean representing whether or not the user can edit the node. True if the user can edit the node, false otherwise.
Example
    ServiceRegistry serviceRegistry = session.getServiceRegistry();             
    DocumentFolderService documentFolderService = serviceRegistry.getDocumentFolderService();   
    
    Node node = getTestNode(session, "ClimbingVolcanoes.JPG");     
        
    Permissions perms = documentFolderService.getPermissions(node);
    
    Log.d(TAG, "canAddChildren: " + perms.canAddChildren());
    Log.d(TAG, "canComment: " + perms.canComment());
    Log.d(TAG, "canDelete: " + perms.canDelete());
    Log.d(TAG, "canEdit: " + perms.canEdit());
      
      Would produce output such as the following: