下面列出了com.google.inject.spi.ProviderInstanceBinding#com.google.inject.spi.BindingTargetVisitor 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
/**
* This is needed for 'initialize(injector)' below to be called so the provider
* can get the injector after it is instantiated.
*/
@Override
public <B, V> V acceptExtensionVisitor(
BindingTargetVisitor<B, V> visitor,
ProviderInstanceBinding<? extends B> binding) {
return visitor.visit(binding);
}