How can this be a JSON Schema
问题 I'm trying to validate that a JSON Schema is actually a JSON Schema, and not an instance, as I have read, resource for that is validate against meta-schema e.g: Core validation meta-schema (http://json-schema.org/draft/2019-09/schema) Older versions meta-schema (https://json-schema.org/draft-04/schema) I have tried with different validation libraries, json-schema-validator for Java, and jsonschema for Python to have more assurance, but I keep on obtaining the funny assertion that this is a