public Response invalidate() throws IOException, URISyntaxException {
    return invalidate(true);
  }
Remove the session attribute on the server

@param key - the session attribute to remove
@param storeRespCookie - whether or not to store the session cookie of this request
@return the response to the request
@throws IOException if an exception is encountered while sending the request
@throws URISyntaxException if the generated string could not be parsed as a URI reference
geode-assembly/geode-assembly-test/src/main/java/org/apache/geode/session/tests/Client.java