code: public Boolean sendInviteLink(String email) throws OAuthSystemException, OAuthProblemException, URISyntaxException {
  		return sendInviteLink(email, null);
  	}
docs: Send an invite link to a user that you have already created in your OneLogin account.
  
  @param email
  Set to the email address of the user that you want to send an invite link for.
  
  @return True if the mail with the link was sent
  
  @throws OAuthSystemException - if there is a IOException reading parameters of the httpURLConnection
  @throws OAuthProblemException - if there are errors validating the OneloginOAuthJSONResourceResponse and throwOAuthProblemException is enabled
  @throws URISyntaxException - if there is an error when generating the target URL at the URIBuilder constructor
  
  @see <a target="_blank" href="https://developers.onelogin.com/api-docs/1/invite-links/send-invite-link">Send Invite Link documentation</a>