plugins/InspectionGadgets/test/com/siyeh/igtest/inheritance/abstract_class_never_implemented/AbstractClassNeverImplemented.java

package com.siyeh.igtest.inheritance.abstract_class_never_implemented;

public abstract class AbstractClassNeverImplemented {}
abstract class AbstractClassWithOnlyOneDirectInheritor {}
class Inheritor extends AbstractClassWithOnlyOneDirectInheritor {}
abstract class AbstractClassWithTwoInheritors {}
class Inheritor1 extends AbstractClassWithTwoInheritors {}
class Inheritor2 extends AbstractClassWithTwoInheritors {}