code: function resolveRef(swagger, ref) {
    if (ref.indexOf('#/') != 0) {
      console.error('Resolved references must start with #/. Current: ' + ref);
      process.exit(1);
    }
    var parts = ref.substr(2).split('/');
    var result = swagger;
    for (var i = 0; i < parts.length; i++) {
      var part = parts[i];
      result = result[part];
    }
    return result === swagger ? {} : result;
  }
docs: Resolves a local reference in the given swagger file