public abstract ResourceTracker<Resource> createResourceTracker(RepositoryLookupFailureCallback lookupFailureCallback);
public abstract ResourceTracker<Resource> createResourceTracker(RepositoryLookupFailureCallback lookupFailureCallback, MethodGen methodGen, CFG cfg)  throws CFGBuilderException, DataflowAnalysisException;
	public abstract ResourceTracker<Resource> createResourceTracker(RepositoryLookupFailureCallback lookupFailureCallback);