public void testCompute_absentToAbsent() {
    assertNull(
        "Map.compute(absent, functionReturningNull) should return null",
        getMap()
            .compute(
                k3(),
                (k, v) -> {
                  assertEquals(k3(), k);
                  assertNull(v);
                  return null;
                }));
    expectUnchanged();
    assertEquals(getNumElements(), getMap().size());
  }

  public void testCompute_absentToAbsent() {
    assertNull(
        "Map.compute(absent, functionReturningNull) should return null",
        getMap()
            .compute(
                k3(),
                (k, v) -> {
                  assertEquals(k3(), k);
                  assertNull(v);
                  return null;
                }));
    expectUnchanged();
    assertEquals(getNumElements(), getMap().size());
  }

          return null;
        }
      };

  // Escapes everything except [a-zA-Z0-9]
  private static final UnicodeEscaper SIMPLE_ESCAPER =
      new UnicodeEscaper() {
        @Override
        protected char @Nullable [] escape(int cp) {
          return ('a' <= cp && cp <= 'z') || ('A' <= cp && cp <= 'Z') || ('0' <= cp && cp <= '9')
              ? null

           * can be used with collections that may contain null. This collection is a collection of
           * non-null Entry objects (Entry objects that might contain null values but are not
           * themselves null), so we can treat it as a plain `Object[]`.
           */
          @SuppressWarnings("nullness")
          Object[] result = standardToArray();

          return null;
        }
      };

  // Escapes everything except [a-zA-Z0-9]
  private static final UnicodeEscaper SIMPLE_ESCAPER =
      new UnicodeEscaper() {
        @Override
        protected char @Nullable [] escape(int cp) {
          return ('a' <= cp && cp <= 'z') || ('A' <= cp && cp <= 'Z') || ('0' <= cp && cp <= '9')
              ? null

    }

    /**
     * @return Required active profile identifiers, never {@code null}.
     */
    public Set<String> getRequiredActiveProfileIds() {
        return getProfileIds(pa -> !pa.optional && pa.active);
    }

    /**
     * @return Optional active profile identifiers, never {@code null}.
     */
    public Set<String> getOptionalActiveProfileIds() {

     * Retrieve an <code>InetAddress</code>. If the address is not
     * an IP address and cannot be resolved <code>null</code> will
     * be returned.
     */
    public static InetAddress getInetAddress ( Properties props, String key, InetAddress def ) {
        String addr = props.getProperty(key);
        if ( addr != null ) {
            try {
                def = InetAddress.getByName(addr);
            }

    Cell[] as;
    long b, v;
    int[] hc;
    Cell a;
    int n;
    if ((as = cells) != null || !casBase(b = base, b + x)) {
      boolean uncontended = true;
      if ((hc = threadHashCode.get()) == null
          || as == null
          || (n = as.length) < 1
          || (a = as[(n - 1) & hc[0]]) == null
          || !(uncontended = a.cas(v = a.value, v + x))) retryUpdate(x, hc, uncontended);
    }
  }

        entries[previous] = swapNext(entry, dstIndex);
      }
    } else {
      keys[dstIndex] = null;
      values[dstIndex] = 0;
      entries[dstIndex] = UNSET;
    }
  }

  public void clear() {
    modCount++;
    Arrays.fill(keys, 0, size, null);
    Arrays.fill(values, 0, size, 0);
    Arrays.fill(table, UNSET);
    Arrays.fill(entries, UNSET);
    this.size = 0;
  }

                        if (file != null) {
                            return file;
                        }
                    }
                } catch (final Exception e) {
                    logger.warn("Failed to load {}", fileMap, e);
                }
                return null;
            }).filter(file -> file != null).toArray(n -> new DictionaryFile<?>[n]);