fErrorMessage= null;
	public List computeContextInformation(ContentAssistInvocationContext context, IProgressMonitor monitor) {		fErrorMessage= null;		if (context instanceof JavaContentAssistInvocationContext) {			JavaContentAssistInvocationContext javaContext= (JavaContentAssistInvocationContext) context;						int contextInformationPosition= guessContextInformationPosition(javaContext);			List result= addContextInformations(javaContext, contextInformationPosition, monitor);			return result;		}		return Collections.EMPTY_LIST;	}