package test:%async;

interface x {
  x: async func(x: u32) -> u64;
  y: func();

  resource z {
    constructor();

    x: async func();
    y: func();

    static-x: static async func();
    static-y: static func();
  }
}

world y {
  import x: async func();
  import y: func();

  export x: async func();
  export y: func();
}