{
   "openapi": "3.0.0",
   "info": {},
   "components": {
      "schemas": {
         "mul": {
            "type": "number",
            "multipleOf": 5
         },
         "neq": {
            "type": "number",
            "not": {
               "type": "number",
               "allOff": [
                  {
                     "type": "number",
                     "minimum": 4
                  },
                  {
                     "type": "number",
                     "maximum": 4
                  }
               ]
            }
         }
      }
   }
}