var instance = new Vintasoft.Imaging.Annotation.UI.WebGroupAnnotationViewJS(items);

var value; // Type: boolean
value = instance.get_UseCompositeTransformer();

function get_UseCompositeTransformer() : boolean;

True - rectangular transformer is be used for transforming of annotation group, annotation transformer is used for transforming of single annotation; False - rectangular transformer is be used for transforming of annotation group. Default value is False.