您需要包括一个存在该类的jar.您可以找到它

You need to include a jar that this class exists in. You can find it here

如果使用Maven，则可以添加以下依赖项声明:

If using Maven, you can add the following dependency declaration:

<dependency>
  <groupId>com.google.code.findbugs</groupId>
  <artifactId>jsr305</artifactId>
  <version>3.0.2</version>
</dependency>

并针对Gradle:

dependencies {
  testImplementation 'com.google.code.findbugs:jsr305:3.0.2'
}