return singletonMap(key, value).entrySet().iterator().next();
  }

  private static boolean isEmpty(Iterable<?> iterable) {
    return iterable instanceof Collection
        ? ((Collection<?>) iterable).isEmpty()
        : !iterable.iterator().hasNext();
  }

  public static void assertEmpty(Iterable<?> iterable) {
    if (!isEmpty(iterable)) {
      fail("Not true that " + iterable + " is empty");
    }
  }

        try {
          Integer first = filtered.first();
          assertFalse(filtered.isEmpty());
          assertEquals(Ordering.natural().min(filtered), first);
        } catch (NoSuchElementException e) {
          assertTrue(filtered.isEmpty());
        }
      }
    }

    public void testLast() {
      for (List<Integer> contents : SAMPLE_INPUTS) {

            builder.field(STORE_NAME.getPreferredName(), storeName);
        }
        if (this.params != null && !this.params.isEmpty()) {
            builder.field(PARAMS.getPreferredName(), this.params);
        }
        if (activeFeatures != null && !activeFeatures.isEmpty()) {
            builder.field(ACTIVE_FEATURES.getPreferredName(), activeFeatures);
        }
        printBoostAndQueryName(builder);

        this.resolutionNodes = resolutionNodes;
    }

    public boolean hasMissingArtifacts() {
        return missingArtifacts != null && !missingArtifacts.isEmpty();
    }

    public List<Artifact> getMissingArtifacts() {
        return missingArtifacts == null ? Collections.emptyList() : Collections.unmodifiableList(missingArtifacts);
    }

    public void deactivateOptionalProject(String selector) {
        this.activations.add(new ProjectActivationSettings(selector, ActivationSettings.deactivatedOpt()));
    }

    public boolean isEmpty() {
        return this.activations.isEmpty();
    }

            return ((Boolean) o) ? (byte) 1 : (byte) 0;
        } else {
            return toByte(o.toString());
        }
    }

    private static Byte toByte(final String s) {
        if (StringUtil.isEmpty(s)) {
            return null;
        }
        return Byte.valueOf(DecimalFormatUtil.normalize(s));
    }

    /**
     * Converts to {@literal byte}.
     *
     * @param o

        } else {
            return "";
        }
    }

    @Override
    public boolean isMavenVersion(String versionRange) {
        if (Objects.requireNonNull(versionRange, "versionRange cannot be null").isEmpty()) {
            throw new IllegalArgumentException("versionRange cannot be empty");
        }

        VersionConstraint constraint;
        try {

     *         matched the requested range
     */
    @Nonnull
    default Optional<Version> getLowestVersion() {
        return getVersions().isEmpty()
                ? Optional.empty()
                : Optional.of(getVersions().get(0));
    }

    /**
     * Gets the highest version matching the requested range.
     *

            for (String word : words) {
                if (sb.length() >= remainder - word.length() - (!sb.isEmpty() ? 1 : 0)) {
                    repeat(sb, ' ', remainder - sb.length());
                    result.add(BOX_CHAR + " " + sb + " " + BOX_CHAR);
                    sb.setLength(0);
                }
                if (!sb.isEmpty()) {
                    sb.append(' ');
                }
                sb.append(word);

            }
            ReplacedAccessor accessor = e.getValue();
            return accessor.getBinaryCompatibility() == BinaryCompatibility.ACCESSORS_KEPT;
        });
        if (!keptAccessors.isEmpty()) {
            String formattedLeft = CollectionUtils.join("\n", keptAccessors.keySet());