{
    "$schema": "http://json-schema.org/draft-04/schema",
    "description": "Status of Sender",
    "properties": {
        "debug": {
            "description": "Debug information which may give additional information on the state",
            "type": "string"
        },
        "state": {
            "enum": [
                "unconstrained",
                "constrained",
                "active_constraints_violation",
                "no_essence",
                "awaiting_essence"
            ],
            "type": "string"
        }
    },
    "required": [
        "state"
    ],
    "type": "object"
}