@Override
  public int count(@NullableDecl Object element) {
    AtomicInteger existingCounter = Maps.safeGet(countMap, element);
    return (existingCounter == null) ? 0 : existingCounter.get();
  }
@Override
  public int count(@NullableDecl Object element) {
    AtomicInteger existingCounter = Maps.safeGet(countMap, element);
    return (existingCounter == null) ? 0 : existingCounter.get();
  }
@ Override public int count ( @ NullableDecl Object element ) { AtomicInteger existingCounter = Maps . safeGet ( countMap , element ) ; return ( existingCounter == null ) ? 0 : existingCounter . get ( ) ; }
Returns the number of occurrences of {@code element} in this multiset.

@param element the element to look for
@return the nonnegative number of occurrences of the element
Returns the number of occurrences of { @code element } in this multiset .