code: public void verifyCredentials(String username, String password) throws GreenPepperServerException {
          if (username != null && !isCredentialsValid(username, password)) {
              throw new GreenPepperServerException("greenpepper.confluence.badcredentials", "The username and password are incorrect.");
          }
      }
docs: <p>verifyCredentials.</p>
  
  @param username a {@link java.lang.String} object.
  @param password a {@link java.lang.String} object.
  @throws com.greenpepper.server.GreenPepperServerException if any.