当我尝试像这样使用LoggerStream时，我得到“需要一个类型说明符”:constLoggerStreamlogger(L"测试组件");这是我尝试使用LoggerStream的地方:#include"Logger.h"#include"TestComponent.h"namespaceophRuntime{structTestComponent::TestComponentImpl{private:LoggerStreamlogger(L"TestComponent");NO_COPY_OR_ASSIGN(TestComponentImpl);};TestComponent::T