code: IEntityJsonSchemaContext validate(URL schemaUrl, Object instanceSource, Reader in) throws SchemaValidationException, InvalidInstanceException, NoSchemaException, InvalidSchemaException
    {
      IEntityJsonContext context = EntityJsonContext.newInstance();
      
      return validate(context
          .withInstance(instanceSource, getInstanceJsonNode(context, in))
          .withSchema(schemaUrl, getSchemaJsonNode(context, schemaUrl)));
    }
docs: /* package