@asyncapi/specs/definitions/2.0.0-rc1/specificationExtension.json

AsyncAPI schema versions

{
  "description": "Any property starting with x- is valid.",
  "additionalProperties": true,
  "additionalItems": true,
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "http://asyncapi.com/definitions/2.0.0-rc1/specificationExtension.json"
}