spring package-info 代码
文件路径：/spring-websocket/src/main/java/org/springframework/web/socket/sockjs/package-info.java
/**
* Top-level SockJS types.
*/
@NonNullApi
@NonNullFields
package org.springframework.web.socket.sockjs;
import org.springframework.lang.NonNullApi;
import org.springframework.lang.NonNullFields;