code: @Override
  	public void filter(final ContainerRequestContext requestContext, final ContainerResponseContext responseContext) {
  		if (backend.getConfiguration().shouldProcessContext(OutgoingResponse)) {
  			final Map<String, String> filtered = backend.getConfiguration().filterDeniedParams(backend.copyToMap(), OutgoingResponse);
  			responseContext.getHeaders().putSingle(TraceeConstants.TPIC_HEADER, transportSerialization.render(filtered));
  		}
  
  		backend.clear();
  	}
docs: This method handles the outgoing response