{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "definitions": {
    	"label": {
    		"type": "string",
    		"minLength": 1,
    		"maxLength": 256
    	},
    	"description": {
    		"type": "string"
    	},
    	"objectid": {
		    "type": "string",
		    "pattern": "^[a-fA-F0-9]{24}$"
		},
		"string-id": {
			"type": "string",
			"maxLength": 64,
			"minLength": 2,
			"pattern": "^[0-9a-z][0-9a-z.@_-]{0,30}[0-9a-z]$"			
		},
		"user-id": {
			"type": "string",
			"format": "email"
		},
        "info": {
            "type": "object"
        },
        "timestamp": {
        	"type": ["string", "null"], 
        	"format": "date-time"
        },
        "deleted-count": {
            "type":"object",
            "properties": {
                "deleted": {
                    "type": "integer"
                }
            }            
        },
        "modified-count": {
            "type": "object", 
            "properties": {
                "modified": {
                    "type": "integer"
                }
            }
        },
        "object-created": {
            "type": "object",
            "properties": {
                "_id": {
                    "type": "string"
                }
            },
            "x-sdk-return": "_id"
        }
    }
}