/**
     * The file is being opened and an oplock is being requested as an atomic operation
     */
    public static final int FILE_OPEN_REQUIRING_OPLOCK = 0x10000;
    /**
     * Any open of this file cannot be exclusive
     */
    public static final int FILE_DISALLOW_EXCLUSIVE = 0x20000;
    /**
     * Reserve an opportunistic lock filter on the open
     */

import jcifs.internal.smb2.ServerMessageBlock2Response;
import jcifs.internal.util.SMBUtil;
import jcifs.util.Hexdump;

/**
 * SMB2 Create response message. This response contains the file ID and attributes
 * of the created or opened file or directory.
 *
 * @author mbechler
 *
 */
public class Smb2CreateResponse extends ServerMessageBlock2Response implements SmbBasicFileInfo {

        when(fh.acquire()).thenReturn(fh);
        when(fh.isValid()).thenReturn(true);

        // Act
        SmbFileHandleImpl opened = handle.ensureOpen();

        // Assert
        assertSame(fh, opened);
        assertTrue(handle.isOpen(), "Handle should report open after ensureOpen");
        verify(pipe, times(1)).openUnshared(eq("\\\\pipe\\\\foo"), eq(0), anyInt(), anyInt(), eq(SmbConstants.ATTR_NORMAL), eq(0));
    }

        // Assert: enumeration is empty and close produced no extra close call (no fileId opened)
        assertFalse(it.hasNext(), "Empty listing should produce no elements");
        it.close();
        // No close should be sent because directory was never successfully opened
        verify(tree, never()).send(argThat((Request<?> r) -> r instanceof Smb2CloseRequest));
    }

    @Test

        if (current == State.HALF_OPEN) {
            // Single failure in half-open state reopens the circuit
            if (state.compareAndSet(State.HALF_OPEN, State.OPEN)) {
                stateChangeTime.set(System.currentTimeMillis());
                consecutiveFailures.set(1);
                log.warn("Circuit breaker {} reopened due to failure in HALF_OPEN state", name);
            }

            this.throwOnCloseInternal = true;
            return this;
        }

        @Override
        protected FileEntry open() throws CIFSException {
            if (staticThrowOnOpen)
                throw new CIFSException("open fail");
            // Simulate fetching first page during open
            if (staticPages != null && !staticPages.isEmpty()) {
                pageIdx = 0;
            }

     */
    public Handler() {
        // Default constructor
    }

    /**
     * Opens a connection to the storage URL.
     *
     * @param u The URL to open a connection to
     * @return A new StorageURLConnection instance
     * @throws IOException If the connection cannot be opened
     */
    @Override
    protected URLConnection openConnection(final URL u) throws IOException {

         */
        public ProcessFileDescriptorObj() {
            // Default constructor
        }

        /** Number of currently open file descriptors. */
        public long open;
        /** Maximum number of file descriptors that can be opened. */
        public long max;
    }

    /**
     * Data transfer object representing process CPU statistics.
     */

     * Opens an input stream reading the file (read only)
     *
     * @param sharing
     *            flags indicating for which operations others may open the file (FILE_SHARING_*)
     *
     * @return input stream, needs to be closed when finished
     * @throws CIFSException if an error occurs accessing the resource
     */
    InputStream openInputStream(int sharing) throws CIFSException;

    /**

                        .indices()
                        .prepareOpen(docIndex)
                        .execute(ActionListener.wrap(res2 -> logger.info("Opened index: {}", docIndex),
                                e -> logger.warn("Failed to open index: {}", docIndex, e)));
            }, e -> logger.warn("Failed to close index: {}", docIndex, e)));
        });