if ( haveHidden && !Boolean.parseBoolean(getProperties().getOrDefault("test.skip.hidden", "false")) ) {
                    SmbFile[] hidden = f.listFiles(new DosFileFilter("*", SmbConstants.ATTR_HIDDEN));
                    assertNotNull(hidden);
                    assertEquals(1, hidden.length);
                }

                if ( haveArchive ) {

            try {
                int attrs = f.getAttributes() ^ SmbConstants.ATTR_ARCHIVE ^ SmbConstants.ATTR_HIDDEN ^ SmbConstants.ATTR_READONLY;
                if ( Boolean.parseBoolean(getProperties().getOrDefault("test.skip.hidden", "false")) ) {
                    attrs &= ~SmbConstants.ATTR_HIDDEN;
                }
                f.setAttributes(attrs);
                assertEquals(attrs, f.getAttributes());

package com.google.common.util.concurrent;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.J2ktIncompatible;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Hidden superclass of {@link FluentFuture} that provides us a place to declare special GWT
 * versions of the {@link FluentFuture#catching(Class, com.google.common.base.Function)

 */

package com.google.common.util.concurrent;

import com.google.common.base.Function;
import java.util.concurrent.Executor;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Hidden superclass of {@link Futures} that provides us a place to declare special GWT versions of
 * the {@link Futures#catching(ListenableFuture, Class, com.google.common.base.Function)

 * the License.
 */

package com.google.common.util.concurrent;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.J2ktIncompatible;

/**
 * Hidden superclass of {@link Futures} that provides us a place to declare special GWT versions of
 * the {@link Futures#catching(ListenableFuture, Class, com.google.common.base.Function,

 */

package com.google.common.util.concurrent;

import com.google.common.base.Function;
import java.util.concurrent.Executor;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Hidden superclass of {@link FluentFuture} that provides us a place to declare special GWT
 * versions of the {@link FluentFuture#catching(Class, com.google.common.base.Function)

    // file attribute encoding
    /**
     * File is marked read-only
     */
    static final int ATTR_READONLY = 0x01;
    /**
     * File is marked hidden
     */
    static final int ATTR_HIDDEN = 0x02;
    /**
     * File is marked a system file
     */
    static final int ATTR_SYSTEM = 0x04;
    /**
     * File is marked a volume
     */
    static final int ATTR_VOLUME = 0x08;

                queryBuf.append('=');
                queryBuf.append(URLUtil.encode(entry.getKey(), Constants.UTF_8));
                formBuf.append("<input type=\"hidden\" name=\"");
                formBuf.append(StringEscapeUtils.escapeHtml4(entry.getValue()));
                formBuf.append("\" value=\"");
                formBuf.append(StringEscapeUtils.escapeHtml4(entry.getKey()));

     *
     * - _shouldn't_ be null, so we don't annotate it with @Nullable
     *
     * - _can_ be null without causing a runtime failure (because we don't want the interesting
     *   details of precondition failure to be hidden by an exception we throw about an unexpectedly
     *   null _failure message_)
     *
     * That combination upsets NullPointerTester, which wants any call that passes null for a

                        if (values != null) {
                            for (final String value : values) {
                                buf.append("<input type=\"hidden\" name=\"");
                                buf.append(StringEscapeUtils.escapeHtml4(name));
                                buf.append("\" value=\"");