source: trip-planner-front/node_modules/json-schema/draft-03/examples/interfaces

{
    "extends":"http://json-schema.org/hyper-schema",
    "description":"A schema for schema interface definitions that describe programmatic class structures using JSON schema syntax",
    "properties":{
        "methods":{
            "type":"object",
            "description":"This defines the set of methods available to the class instances",
            "additionalProperties":{
                "type":"object",
                "description":"The definition of the method",
                "properties":{
                        "parameters":{
                                "type":"array",
                                "description":"The set of parameters that should be passed to the method when it is called",
                                "items":{"$ref":"#"},
                                "required": true
                        },
                        "returns":{"$ref":"#"}
                }
            }
        }    
    }
}