code: public Page getDiscussionPage(Page articlePage) throws WikiApiException{
      	String articleTitle = articlePage.getTitle().toString();
      	if(articleTitle.startsWith(WikiConstants.DISCUSSION_PREFIX)){
      		return articlePage;
      	}else{
          	return new Page(this, WikiConstants.DISCUSSION_PREFIX+articleTitle);
      	}
      }
docs: Gets the discussion page for the given article page
  The provided page must not be a discussion page
  
  @param articlePage the article page for which a discussion page should be retrieved
  @return The discussion page object for the given article page object
  @throws WikiApiException If no page or redirect with this title exists or title could not be properly parsed.