code: public void addAsyncHandler(final String path, final String mimeType, @javax.annotation.Nonnull final Consumer<OutputStream> logic, final boolean async) {
      addSessionHandler(path, com.simiacryptus.util.StreamNanoHTTPD.asyncHandler(pool, mimeType, logic, async));
    }
docs: Add async handler.
  
  @param path     the path
  @param mimeType the mime type
  @param logic    the logic
  @param async    the async