Bug 85717 [quick fix] 5.0 types suggested in 1.4 project
20050217 In statements like buf2.append("xxx"); //$NON-NLS-1$ Enum and Annotation are suggested for the unresolved buf
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/UnresolvedElementsSubProcessor.java
public static void getVariableProposals(IInvocationContext context, IProblemLocation problem, Collection proposals) throws CoreException {