public String username;

    @NotBlank
    public String password;

    @NotBlank
    public String confirmPassword;

    public void clearSecurityInfo() {
        password = null;
        confirmPassword = null;
    }

     *     is null. The builder is left in an invalid state.
     */
    @CanIgnoreReturnValue
    public Builder<K, V> putAll(K key, Iterable<? extends V> values) {
      if (key == null) {
        throw new NullPointerException("null key in entry: null=" + Iterables.toString(values));
      }
      Iterator<? extends V> valuesItr = values.iterator();

     *
     * @return The model identifiers from the lineage of models, never {@code null}.
     */
    List<String> getModelIds();

    /**
     *
     * @return the file model
     * @since 4.0.0
     */
    Model getFileModel();

    /**
     * Gets the assembled model.
     *
     * @return The assembled model, never {@code null}.
     */
    Model getEffectiveModel();

    /**

        return toShort(o, null);
    }

    /**
     * {@link Short}に変換します。
     *
     * @param o
     *            変換元のオブジェクト
     * @param pattern
     *            パターン文字列
     * @return 変換された{@link Short}
     */
    public static Short toShort(final Object o, final String pattern) {
        if (o == null) {
            return null;
        } else if (o instanceof Short) {

  // The comparator used by this map.  It's the same as that of sortedDelegate,
  // except that when sortedDelegate's comparator is null, it points to a
  // non-null instance of Ordering.natural().
  // (cpovirk: Is sortedDelegate's comparator really ever null?)
  // The comparator will likely also differ because of our nullAccepting hack.
  // See the bottom of the file for more information about it.

     *
     * @param file The file, must not be {@code null}.
     * @deprecated Use {@link #FileSource(Path)} instead.
     */
    @Deprecated
    public FileSource(File file) {
        this(Objects.requireNonNull(file, "file cannot be null").toPath());
    }

    /**
     * Creates a new source backed by the specified file.
     *
     * @param path The file, must not be {@code null}.
     * @since 4.0.0
     */

        QueryThread q1x = new QueryThread( sem, name, type, null, svr );
        QueryThread q20 = new QueryThread( sem, name, 0x20, null, svr );
        q1x.setDaemon( true );
        q20.setDaemon( true );
        try {
            synchronized( sem ) {
                q1x.start();
                q20.start();

                while( sem.count > 0 && q1x.ans == null && q20.ans == null ) {
                    sem.wait();

    }

    protected void setupStoreCondition(final CrawlingInfo crawlingInfo) {
        if (crawlingInfo == null) {
            throw new FessSystemException("Crawling Session is null.");
        }
        final long now = ComponentUtil.getSystemHelper().getCurrentTimeAsLong();
        if (crawlingInfo.getCreatedTime() == null) {
            crawlingInfo.setCreatedTime(now);
        }
    }

./mc encrypt set sse-s3 myminio/versioned

./mc mirror internal myminio/versioned/ --quiet >/dev/null

## Soft delete (creates delete markers)
./mc rm -r --force myminio/versioned >/dev/null

## mirror again to create another set of version on top
./mc mirror internal myminio/versioned/ --quiet >/dev/null

expected_checksum=$(./mc cat internal/dsync/drwmutex.go | md5sum)

    protected void assertObjectNotNull(String variableName, Object value) {
        if (variableName == null) {
            String msg = "The value should not be null: variableName=null value=" + value;
            throw new IllegalArgumentException(msg);
        }
        if (value == null) {
            String msg = "The value should not be null: variableName=" + variableName;
            throw new IllegalArgumentException(msg);
        }