{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "https://json-schema.org/draft/2020-12/meta/core", "$vocabulary": { "https://json-schema.org/draft/2020-12/vocab/core": true }, "$dynamicAnchor": "meta", "title": "Core vocabulary meta-schema", "type": ["object", "boolean"], "properties": { "$id": { "$ref": "#/$defs/uriReferenceString", "$comment": "Non-empty fragments not allowed.", "pattern": "^[^#]*#?$" }, "$schema": {"$ref": "#/$defs/uriString"}, "$ref": {"$ref": "#/$defs/uriReferenceString"}, "$anchor": {"$ref": "#/$defs/anchorString"}, "$dynamicRef": {"$ref": "#/$defs/uriReferenceString"}, "$dynamicAnchor": {"$ref": "#/$defs/anchorString"}, "$vocabulary": { "type": "object", "propertyNames": {"$ref": "#/$defs/uriString"}, "additionalProperties": { "type": "boolean" } }, "$comment": { "type": "string" }, "$defs": { "type": "object", "additionalProperties": {"$dynamicRef": "#meta"} } }, "$defs": { "anchorString": { "type": "string", "pattern": "^[A-Za-z_][-A-Za-z0-9._]*$" }, "uriString": { "type": "string", "format": "uri" }, "uriReferenceString": { "type": "string", "format": "uri-reference" } } }