2 "$schema" : "http://json-schema.org/draft-04/hyper-schema#",
3 "id" : "http://json-schema.org/draft-04/links#",
19 "targetSchema" : {"$ref" : "http://json-schema.org/draft-04/hyper-schema#"},
32 "additionalProperties" : {"$ref" : "http://json-schema.org/draft-04/hyper-schema#"}
36 "required" : ["rel", "href"],