@Override
    public void addPermissions(final Collection<String> permissions) {
        CommonHelper.assertNotNull("permissions", permissions);
        this.permissions.addAll(permissions);
    }
@ Override public void addPermissions ( final Collection < String > permissions ) { CommonHelper . assertNotNull ( "permissions" , permissions ) ; this . permissions . addAll ( permissions ) ; }
Add permissions.

@param permissions the permissions to add.