checker/tests/lock/FullyQualified.java

package com.example.mypackage;

import java.util.ArrayList;
import java.util.List;
import org.checkerframework.checker.lock.qual.GuardedBy;

public class FullyQualified {
  public static final @GuardedBy("<self>") List<Object> all_classes = new ArrayList<>();

  void test() {
    synchronized (com.example.mypackage.FullyQualified.all_classes) {
      com.example.mypackage.FullyQualified.all_classes.add(new Object());
    }
  }
}