code: @Override
  	public void filter(final ClientRequestContext requestContext, final ClientResponseContext responseContext) {
  		final List<String> serializedHeaders = responseContext.getHeaders().get(TraceeConstants.TPIC_HEADER);
  		if (serializedHeaders != null && backend.getConfiguration().shouldProcessContext(IncomingResponse)) {
  			final Map<String, String> parsed = transportSerialization.parse(serializedHeaders);
  			backend.putAll(backend.getConfiguration().filterDeniedParams(parsed, IncomingResponse));
  		}
  	}
docs: This method handles the incoming response