public function validateSchema()
{
$meta_schema_validator = new SchemaValidator();
$json_loader = new JsonLoader();
// we have to check if we use a prefix
$meta_json = file_get_contents(__DIR__ . '/../../../data/MetaSchema.json');
$meta_json = str_replace('#', $this->prefix, $meta_json);
// we validate the schema using the meta schema, defining the structure of our schema
$meta_schema_validator->validate($json_loader->load($meta_json), $this->schema);
return true;
}