{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "id": "5.2-pagePrevImplemented.json",
  "assertionType": "may",
  "expectedResult": "valid",
  "onUnexpectedResult" : "passAndContinue",
  "errorMessage": "Annotation Page has no prev key.",
  "title": "Implements **Annotation Page _prev_ key** with valid value of string of format uri - [model 5.2](https://www.w3.org/TR/annotation-model/#annotation-page)",
  "oneOf": [
      { "$ref": "collections.json#/definitions/prevFound" },
      { "type": "object",
        "properties":
         {"first":
           { "$ref": "collections.json#/definitions/prevFound" }
         },
        "required": [ "first" ]
      }
  ]
}