package com.puppycrawl.tools.checkstyle.packageobjectfactory.foo;
   
   import com.puppycrawl.tools.checkstyle.api.AbstractCheck;
   
   public class FooCheck extends AbstractCheck {
       @Override
       public int[] getDefaultTokens() {
           return new int[] {0};
       }
  
      @Override
      public int[] getAcceptableTokens() {
          return getDefaultTokens();
      }
  
      @Override
      public int[] getRequiredTokens() {
          return getDefaultTokens();
      }
  }