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