spring package-info 代码
文件路径：/spring-core/src/main/java/org/springframework/core/metrics/package-info.java
/**
* Support package for recording metrics during application startup.
*/
@NonNullApi
@NonNullFields
package org.springframework.core.metrics;
import org.springframework.lang.NonNullApi;
import org.springframework.lang.NonNullFields;