code: private void outputSubInitialize(GinjectorBindings child, String childGetterName,
        StringBuilder initializeEagerSingletonsBody, StringBuilder initializeStaticInjectionsBody) {
  
      if (child.hasEagerSingletonBindingInSubtree()) {
        initializeEagerSingletonsBody
            .append(childGetterName)
            .append("().initializeEagerSingletons();\n");
      }
  
      if (child.hasStaticInjectionRequestInSubtree()) {
        initializeStaticInjectionsBody
            .append(childGetterName)
            .append("().initializeStaticInjections();\n");
      }
    }
docs: Outputs code to invoke the given child's initialize*() routines via its
  member variable.