private boolean addConstantUsages(ClassRepr repr, Collection<? extends Callbacks.ConstantRef> cRefs) {
        boolean addedNewUsages = false;
        if (cRefs != null) {
          for (Callbacks.ConstantRef ref : cRefs) {
            final int owner = myContext.get(ref.getOwner().replace('.', '/'));
            if (repr.name != owner) {
              addedNewUsages |= repr.addUsage(UsageRepr.createFieldUsage(myContext, myContext.get(ref.getName()), owner, myContext.get(ref.getDescriptor())));
            }
          }
        }
        return addedNewUsages;
      }
private boolean addConstantUsages(ClassRepr repr, Collection<? extends Callbacks.ConstantRef> cRefs)