code: IEntityJsonSchemaContext validate(URL schemaUrl, Object instanceSource, ObjectNode instance) throws SchemaValidationException, NoSchemaException, InvalidSchemaException
    {
      IEntityJsonInstanceContext context = EntityJsonContext.newInstance()
          .withInstance(instanceSource, instance);
      
      return validate(context.withSchema(schemaUrl, getSchemaJsonNode(context, schemaUrl)));
    }
docs: /* package