code: @Override
    public void clearHeaders(BindingProvider soapClient) {
      getContextHandlerFromClient(soapClient).clearHeaders();
      soapClient.getRequestContext().put(MessageContext.HTTP_REQUEST_HEADERS,
          new HashMap<String, List<String>>());
    }
docs: Clears all of the SOAP headers from the given SOAP client.
  
  @param soapClient the client to remove the headers from