<project xmlns="http://maven.apache.org/POM/4.0.0">
 <modelVersion>4.0.0</modelVersion>
 <parent><groupId>study.build</groupId><artifactId>build-toolchain-lab</artifactId><version>1.0.0</version></parent>
 <artifactId>legacy</artifactId>
 <dependencies>
  <!-- 故意锁定一个旧版 jackson：app 若不直接声明，就会通过"最近优先"继承到 2.17.1 -->
  <dependency><groupId>com.fasterxml.jackson.core</groupId><artifactId>jackson-databind</artifactId><version>2.17.1</version></dependency>
 </dependencies>
</project>
