pub unsafe fn WsCall(
    serviceproxy: *const WS_SERVICE_PROXY,
    operation: *const WS_OPERATION_DESCRIPTION,
    arguments: Option<*const *const c_void>,
    heap: *const WS_HEAP,
    callproperties: Option<&[WS_CALL_PROPERTY]>,
    asynccontext: Option<*const WS_ASYNC_CONTEXT>,
    error: Option<*const WS_ERROR>
) -> Result<()>