code: /*
  JavadocMethod
  allowedAnnotations = MyAnnotation, Override
  validateThrows = (default)false
  accessModifiers = (default)public, protected, package, private
  allowMissingParamTags = (default)false
  allowMissingReturnTag = (default)false
  tokens = (default)METHOD_DEF, CTOR_DEF, ANNOTATION_FIELD_DEF, COMPACT_CTOR_DEF
  
  
  */
  
  package com.puppycrawl.tools.checkstyle.checks.javadoc.javadocmethod;
  
  import com.google.common.collect.Multiset;
  import com.google.common.collect.Multiset.Entry;
  
  import java.lang.reflect.Method;
  import java.util.Arrays;
  import java.util.ConcurrentModificationException;
  import java.util.Iterator;
  import java.util.List;
  
  /**
   * Common superclass for {@link MultisetSetCountUnconditionallyTester} and
   * {@link MultisetSetCountConditionallyTester}. It is used by those testers to
   * test calls to the unconditional {@code setCount()} method and calls to the
   * conditional {@code setCount()} method when the expected present count is
   * correct.
   *
   * @author Chris Povirk
   */
  @SuppressWarnings(value = "unchecked")
  public abstract class InputJavadocMethodExtendAnnotation<E> // ok
    {
  
    private static final String SUPPORTS_ADD = "";
    private static final String SUPPORTS_REMOVE = null;
  
  @CollectionFeature.Require
    public void testSetCount_zeroToZero_unsupported() { // ok
      try {
        assertZeroToZero();
      } catch (UnsupportedOperationException tolerated) {
      }
    }
  
    private void assertZeroToZero() { // ok
  
    }
  
    @interface CollectionFeature { // ok
        @interface Require {
        }
    }
  }
  