@CheckForNull Comparator<?> comparator, @CheckForNull Object o1, @CheckForNull Object o2) {
    if (comparator == null) {
      return ((Comparable<@Nullable Object>) o1).compareTo(o2);
    } else {
      return ((Comparator<@Nullable Object>) comparator).compare(o1, o2);
    }
  }

  /**
   * A sensible definition of {@link #containsKey} in terms of the {@code firstKey()} method of

     * Determines which method signature (represented by a class array) is more
     * specific. This defines a partial ordering on the method signatures.
     *
     * @param c1 first signature to compare
     * @param c2 second signature to compare
     * @return MORE_SPECIFIC if c1 is more specific than c2, LESS_SPECIFIC if
     *         c1 is less specific than c2, INCOMPARABLE if they are incomparable.
     */

			return errFileCorrupt
		}
		return nil
	}

	h := algo.New()
	hashBuf := make([]byte, h.Size())
	left := wantSize

	// Calculate the size of the bitrot file and compare
	// it with the actual file size.
	if left != bitrotShardFileSize(partSize, shardSize, algo) {
		return errFileCorrupt
	}

	bufp := xioutil.ODirectPoolSmall.Get().(*[]byte)

         * just one problem: Starting with JDK 7u51, the JDK TypeVariable's equals() method doesn't
         * recognize instances of our TypeVariable implementation. This is a problem because users
         * compare TypeVariables from the JDK against TypeVariables returned by TypeResolver. To
         * work with all JDK versions, TypeResolver must return the appropriate TypeVariable
         * implementation in each of the three possible cases:

	}
	// We have checked if prefix matches, so we can do direct compare.
	return b.First > prefix
}

// endedPrefix returns true if the given prefix ends within the block.
func (b metacacheBlock) endedPrefix(prefix string) bool {
	if prefix == "" || strings.HasPrefix(b.Last, prefix) {
		return false
	}

	// We have checked if prefix matches, so we can do direct compare.
	return b.Last > prefix

     * inclusive ranges" and "Cuts."
     */
    if (lowerBound.compareTo(otherRange.upperBound) < 0
        && otherRange.lowerBound.compareTo(upperBound) < 0) {
      throw new IllegalArgumentException(
          "Ranges have a nonempty intersection: " + this + ", " + otherRange);
    }

    boolean isThisFirst = this.lowerBound.compareTo(otherRange.lowerBound) < 0;
    Range<C> firstRange = isThisFirst ? this : otherRange;

      }

      @Override
      public long getDelay(TimeUnit unit) {
        return Long.MAX_VALUE;
      }

      @Override
      public int compareTo(Delayed other) {
        return Long.compare(getDelay(NANOSECONDS), other.getDelay(NANOSECONDS));
      }
    }
  }

    return new NullFriendlyComparator<>();
  }

  private static final class NullFriendlyComparator<T> implements Comparator<T>, Serializable {
    @Override
    public int compare(T left, T right) {
      return String.valueOf(left).compareTo(String.valueOf(right));
    }
  }

  }

  @CheckForNull
  E higher(E e) {
    checkNotNull(e);
    Iterator<E> iterator = tailSet(e).iterator();
    while (iterator.hasNext()) {
      E higher = iterator.next();
      if (comparator().compare(e, higher) < 0) {
        return higher;
      }
    }
    return null;
  }

  @CheckForNull
  public E ceiling(E e) {
    ImmutableSortedSet<E> set = tailSet(e, true);

		"-f", "testdata/config_dump.json",
	})
	out := bytes.Buffer{}
	cmd.SetOut(&out)
	assert.NoError(t, cmd.Execute())
	expected := util.ReadFile(t, "testdata/config_dump_summary.txt")

	if err := assert.Compare(out.String(), string(expected)); err != nil {
		t.Fatalf("Unexpected output for 'istioctl proxy-config all'\n got: %q\nwant: %q", out.String(), expected)
	}
}

func init() {