Bug 43488 [typing] BadPositionCategoryException in LinkedPositionManager
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/link/contentassist/ContentAssistant2.java
return count;
	}
		
	/*
	 * @see IContentAssist#showPossibleCompletions
	 */
	public String showPossibleCompletions() {
		setProposalChosen(false);
		return fProposalPopup.showProposals(false);
	}
	
	public void hidePossibleCompletions() {
		if (fProposalPopup != null)
			fProposalPopup.hide();
	}
	
	/**
	 * Callback to signal this content assistant that the presentation of the possible completions has been stopped.
	 * @since 2.1 
	 */
	protected void possibleCompletionsClosed() {
	}
	
	/*
	 * @see IContentAssist#showContextInformation
	 */
	public String showContextInformation() {
		return fContextInfoPopup.showContextProposals(false);
	}