{
"use_case": "layout",
"textregions":{ "rest_as_paragraph": 1, "header":2 , "heading":2 , "marginalia":3 },
"imageregion":4,
"separatorregion":5,
"graphicregions" :{"rest_as_decoration":6},
"artificial_class_on_boundry": ["paragraph"],
"artificial_class_label":7
}