// because some comparator might throw NPE (e.g. the natural ordering).
        return false;
      }
    }
    try {
      return sortedDelegate.containsAll(targets);
    } catch (ClassCastException e) {
      return false;
    }
  }

  @Override
  public E first() {
    return sortedDelegate.first();
  }

  @Override
  public ImmutableSortedSet<E> headSet(E toElement) {

        }

        @Override
        public int getContextType() {
            return contextType;
        }

        @Override
        public int encode(byte[] dst, int dstIndex) {
            return 0;
        }

        @Override
        public int size() {
            return 0;
        }
    }

    @Nested
    @DisplayName("Interface Tests")
    class InterfaceTests {

        val host = url.host
        return host.substring(1, host.length - 5).lowercase()
      }

      override fun canonicalize(s: String): String = s.lowercase()
    },

    PATH {
      override fun urlString(value: String): String = "http://example.com/a${value}z/"

      override fun encodedValue(url: HttpUrl): String {
        val path = url.encodedPath
        return path.substring(2, path.length - 2)
      }

      if (backingRowMap == null) {
        return Iterators.emptyModifiableIterator();
      }
      Iterator<Entry<C, V>> iterator = backingRowMap.entrySet().iterator();
      return new Iterator<Entry<C, V>>() {
        @Override
        public boolean hasNext() {
          return iterator.hasNext();
        }

        @Override
        public Entry<C, V> next() {
          return wrapEntry(iterator.next());
        }

    statsCounterSupplier = CACHE_STATS_COUNTER;
    return this;
  }

  boolean isRecordingStats() {
    return statsCounterSupplier == CACHE_STATS_COUNTER;
  }

  Supplier<? extends StatsCounter> getStatsCounterSupplier() {
    return statsCounterSupplier;
  }

  /**
   * Builds a cache, which either returns an already-loaded value for a given key or atomically

    @Override
    public boolean set(T t) {
      return super.set(t);
    }

    @CanIgnoreReturnValue
    @Override
    public boolean setException(Throwable t) {
      return super.setException(t);
    }
  }

  enum Impl {
    NEW {
      @Override
      <T> Facade<T> newFacade() {
        return new NewAbstractFutureFacade<T>();
      }
    },
    OLD {
      @Override

            }
            return dataWireFormatReturn;
        }

        @Override
        protected int readSetupWireFormat(byte[] buffer, int bufferIndex, int len) {
            return 0;
        }

        @Override
        protected int readParametersWireFormat(byte[] buffer, int bufferIndex, int len) {
            return 0;
        }

        @Override

    @Override
    public boolean set(T t) {
      return super.set(t);
    }

    @CanIgnoreReturnValue
    @Override
    public boolean setException(Throwable t) {
      return super.setException(t);
    }
  }

  enum Impl {
    NEW {
      @Override
      <T> Facade<T> newFacade() {
        return new NewAbstractFutureFacade<T>();
      }
    },
    OLD {
      @Override

            list.execute();
          }

          @Override
          public Object getImpl() {
            return list;
          }
        };
      }
    },
    NEW_WITH_QUEUE {
      @Override
      ExecutionListWrapper newExecutionList() {
        return new ExecutionListWrapper() {
          final NewExecutionListQueue list = new NewExecutionListQueue();

          @Override

        @Override
        public String getName() {
            return name;
        }

        @Override
        public int getType() {
            return 0;
        }

        @Override
        public int getAttributes() {
            return 0;
        }

        @Override
        public long createTime() {
            return 0;
        }

        @Override