code: private boolean referencesCollapsibleProperty(
        ReferenceCollection aliasRefs, Name aliasedName, GlobalNamespace namespace) {
      for (Reference ref : aliasRefs.references) {
        if (ref.getParent() == null) {
          continue;
        }
        if (ref.getParent().isGetProp()) {
          Node propertyNode = ref.getNode().getNext();
          // e.g. if the reference is "alias.b.someProp", this will be "b".
          String propertyName = propertyNode.getString();
          // e.g. if the aliased name is "originalName", this will be "originalName.b".
          String originalPropertyName = aliasedName.getName() + "." + propertyName;
          Name originalProperty = namespace.getOwnSlot(originalPropertyName);
          // If the original property isn't in the namespace or can't be collapsed, keep going.
          if (originalProperty == null || !originalProperty.canCollapse()) {
            continue;
          }
          return true;
        }
      }
      return false;
    }
docs: Returns whether a ReferenceCollection for some aliasing variable references a property on the
  original aliased variable that may be collapsed in CollapseProperties.
  
  <p>See {@link GlobalNamespace.Name#canCollapse} for what can/cannot be collapsed.