|| countMap.replace(element, existingCounter, newCounter)) {
            return 0;
          }
          break;
        }
      }

      // If we're still here, there was a race, so just try again.
    }
  }

  /**
   * Removes a number of occurrences of the specified element from this multiset. If the multiset

              || countMap.replace(element, existingCounter, newCounter)) {
            return 0;
          }
          break;
        }
      }

      // If we're still here, there was a race, so just try again.
    }
  }

  /**
   * Removes a number of occurrences of the specified element from this multiset. If the multiset