@Nonnull
  public static ServletAsyncSpec createAsync (@CheckForSigned final long nTimeoutMillis,
                                              @Nullable final Iterable <? extends AsyncListener> aAsyncListeners)
  {
    return new ServletAsyncSpec (true, nTimeoutMillis, aAsyncListeners);
  }
@ Nonnull public static ServletAsyncSpec createAsync ( @ CheckForSigned final long nTimeoutMillis , @ Nullable final Iterable < ? extends AsyncListener > aAsyncListeners ) { return new ServletAsyncSpec ( true , nTimeoutMillis , aAsyncListeners ) ; }
Create an async spec.

@param nTimeoutMillis
Timeout in milliseconds. Only value &gt; 0 are considered.
@param aAsyncListeners
The async listeners to use. May be <code>null</code>.
@return A new {@link ServletAsyncSpec} and never <code>null</code>.