pub unsafe fn WinHttpOpenRequest<P0, P1, P2, P3>(
    hconnect: *mut c_void,
    pwszverb: P0,
    pwszobjectname: P1,
    pwszversion: P2,
    pwszreferrer: P3,
    ppwszaccepttypes: *const PCWSTR,
    dwflags: WINHTTP_OPEN_REQUEST_FLAGS
) -> *mut c_void
where P0: IntoParam<PCWSTR>, P1: IntoParam<PCWSTR>, P2: IntoParam<PCWSTR>, P3: IntoParam<PCWSTR>,