github.com/kaptinlin/jsonschema@v0.4.6/testdata/JSON-Schema-Test-Suite/remotes/urn-ref-string.json (about)

     1  {
     2      "$id": "urn:uuid:feebdaed-ffff-0000-ffff-0000deadbeef",
     3      "$defs": {"bar": {"type": "string"}},
     4      "$ref": "#/$defs/bar"
     5  }