         "$schema": {
            "type": "string",
            "format": "uri",
            "default": "http://json-schema.org/draft-04/schema#"
          },
          "title": {
            "type": "string"
          },
          "description": {
            "type": "string"
          },
          "default": {},
          "multipleOf": {
            "type": "number",
            "minimum": 0,
            "exclusiveMinimum": true
          },
          "maximum": {
            "type": "number"
          },