import org.jspecify.annotations.Nullable;

/**
 * A navigable set which forwards all its method calls to another navigable set. Subclasses should
 * override one or more methods to modify the behavior of the backing set as desired per the <a
 * href="http://en.wikipedia.org/wiki/Decorator_pattern">decorator pattern</a>.
 *
 * <p><b>Warning:</b> The methods of {@code ForwardingNavigableSet} forward <i>indiscriminately</i>

         * in such a way that there can be a slash at the end of the path. This
         * causes problems matching keys in resolve() where an extra slash causes
         * a mismatch. This strips trailing slashes from all keys to eliminate
         * this problem.
         */
        int ki = key.length();
        while (ki > 1 && key.charAt(ki - 1) == '\\') {
            ki--;
        }

        // Test duplicate slash removal
        assertEquals("\\share\\folder", validator.validatePath("\\\\share\\\\folder"));

        // Test trailing slash removal
        assertEquals("\\share\\folder", validator.validatePath("\\share\\folder\\"));
    }

    @Test
    public void testDirectoryTraversal() throws Exception {

        validateSmbPath(path);

        // Normalize slashes
        path = path.replace('/', '\\');

        // Remove redundant slashes
        path = path.replaceAll("\\\\+", "\\\\");

        // Remove trailing slash unless it's root
        if (path.length() > 1 && path.endsWith("\\")) {
            path = path.substring(0, path.length() - 1);
        }

        return path;
    }

    /**

      }
    }

    // can't use Serialization writeMultimap and populateMultimap methods since
    // there's no way to generate the empty backing map.

    /**
     * @serialData the factory and the backing map
     */
    @GwtIncompatible
    @J2ktIncompatible
        private void writeObject(ObjectOutputStream stream) throws IOException {
      stream.defaultWriteObject();

      }
    }

    // can't use Serialization writeMultimap and populateMultimap methods since
    // there's no way to generate the empty backing map.

    /**
     * @serialData the factory and the backing map
     */
    @GwtIncompatible
    @J2ktIncompatible
        private void writeObject(ObjectOutputStream stream) throws IOException {
      stream.defaultWriteObject();

	// use mtime < t+1s instead of mtime <= t to check for unmodified.
	return !objTime.Before(givenTime.Add(1 * time.Second))
}

// canonicalizeETag returns ETag with leading and trailing double-quotes removed,
// if any present
func canonicalizeETag(etag string) string {
	return etagRegex.ReplaceAllString(etag, "$1")
}

// isETagEqual return true if the canonical representations of two ETag strings

import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * Tests for {@link Maps#transformValues} when the backing map's views have iterators that don't
 * support {@code remove()}.
 *
 * @author Jared Levy
 */
@GwtCompatible
@NullMarked

import java.util.Set;
import org.jspecify.annotations.Nullable;

/**
 * A map which forwards all its method calls to another map. Subclasses should override one or more
 * methods to modify the behavior of the backing map as desired per the <a
 * href="http://en.wikipedia.org/wiki/Decorator_pattern">decorator pattern</a>.
 *
 * <p><b>Warning:</b> The methods of {@code ForwardingMap} forward <i>indiscriminately</i> to the

		if strings.HasPrefix(baseDir, dirPath) {
			return nil
		}
	}

	// Slow path: make sure parent exists and then call Mkdir for path.
	i := len(dirPath)
	for i > 0 && os.IsPathSeparator(dirPath[i-1]) { // Skip trailing path separator.
		i--
	}

	j := i
	for j > 0 && !os.IsPathSeparator(dirPath[j-1]) { // Scan backward over element.
		j--
	}

	if j > 1 {
		// Create parent.