code: /*xml
  <module name="Checker">
    <module name="TreeWalker">
      <module name="AbstractClassName">
        <property name="ignoreName" value="true"/>
      </module>
    </module>
  </module>
  
  
  */
  
  package com.puppycrawl.tools.checkstyle.checks.naming.abstractclassname;
  
  // xdoc section -- start
  class Example3 {
    abstract class AbstractFirst {}
    abstract class Second {}
    class AbstractThird {} // violation 'must be declared as 'abstract''
    class Fourth {}
    abstract class GeneratorFifth {}
    class GeneratorSixth {}
  }
  // xdoc section -- end
  