return new ContextInformation();
return new ContextInformation(this);
	protected IContextInformation computeContextInformation() {		// only return information if we're already computed		// -> avoids creating context information for invalid proposals		if (fTypeArgumentProposals != null) {			try {				if (hasParameters()) {					TypeArgumentProposal[] proposals= computeTypeArgumentProposals();					if (hasAmbiguousProposals(proposals))						return new ContextInformation();				}			} catch (JavaModelException e) {			}		}		return super.computeContextInformation();	}