Java 类com.google.inject.multibindings.OptionalBinderBinding 实例源码

@Override
public MapBinderBinding<?> visit(
        OptionalBinderBinding<? extends Object> optionalbinding) {
    // TODO Auto-generated method stub
    return null;
}

@Override
public Object visit(OptionalBinderBinding<? extends Object> optionalbinding) {
  this.optionalbinding = optionalbinding;
  return null;
}

@Override
public Object visit(OptionalBinderBinding<? extends T> optionalbinding) {
  return optionalbinding;
}

@Override public Set<ResolvedBinding<?>> visit(OptionalBinderBinding<?> optionalbinding) {
  throw new UnsupportedOperationException("DependencyResolvingVisitor.visit(OptionalBinderBinding) has not been implemented");
}