var server = WireMockServer.Start();
server
    .Given(Request.Create()
        .UsingMethod("GET")
        .WithPath("/foo1")
        .WithParam("p1", "xyz")
    )
    .WithGuid("90356dba-b36c-469a-a17e-669cd84f1f05")
    .RespondWith(Response.Create()
        .WithStatusCode(200)
        .WithBody("1")
    );