{
  "$id": "https://opendatafabric.org/schemas/engines/v1alpha1/meta/EngineMessage",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "description": "A marker schema for all engine RPC requests and responses",
  "$ref": "https://json-schema.org/draft/2020-12/schema"
}