code: @Nonnull
    synchronized public PackageResourceTable getCompileTimeSdkResourceTable() {
      if (compiletimeSdkResourceTable == null) {
        ResourceTableFactory resourceTableFactory = new ResourceTableFactory();
        compiletimeSdkResourceTable = resourceTableFactory
            .newFrameworkResourceTable(new ResourcePath(android.R.class, null, null));
      }
      return compiletimeSdkResourceTable;
    }
docs: Returns the ResourceTable for the compile time SDK.