openide/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/changeExtendsToImplements/before5.java

// "Change 'implements java.lang.Object' to 'extends java.lang.Object'" "false"
import java.io.*;

class a extends b implements Runnable,<caret>Object,Serializable {
 public void run() {
 }
}

class b {}