src/third_party/web_platform_tests/resources/webidl2/test/syntax/idl/variadic-operations.widl

// Extracted from http://dev.w3.org/2006/webapi/WebIDL/ on 2011-05-06
interface IntegerSet {
  readonly attribute unsigned long cardinality;

  void union(long... ints);
  void intersection(long... ints);
};