*  * 8 bytes: *n*: upstream data size
   *  * 8 bytes: *m*: metadata size
   *  * *n* bytes: upstream data
   *  * *m* bytes: metadata
   *
   * This is closed and assigned to null when the last source is closed and no further sources
   * are permitted.
   */
  var file: RandomAccessFile?,
  /**
   * Null once the file has a complete copy of the upstream bytes. Only the [upstreamReader] thread

var globalLockGrid atomic.Pointer[grid.Manager]

// globalGridStart is a channel that will block startup of grid connections until closed.
var globalGridStart = make(chan struct{})

// globalLockGridStart is a channel that will block startup of lock grid connections until closed.
var globalLockGridStart = make(chan struct{})

func initGlobalGrid(ctx context.Context, eps EndpointServerPools) error {

	Queued              time.Time
	BitrotScan          bool
}

// mrfState sncapsulates all the information
// related to the global background MRF.
type mrfState struct {
	opCh chan PartialOperation

	closed  int32
	closing int32
	wg      sync.WaitGroup
}

func newMRFState() mrfState {
	return mrfState{
		opCh: make(chan PartialOperation, mrfOpsQueueSize),
	}
}

        ESTABLISHED,
        /** Connection encountered an error */
        ERROR,
        /** Connection is being closed */
        CLOSING,
        /** Connection is closed */
        CLOSED
    }

    /** Remote endpoint address */
    protected final InetSocketAddress remoteAddress;
    /** Local endpoint address */
    protected final InetSocketAddress localAddress;

        assertTrue(iterator.hasNext());
        assertSame(resource, iterator.next());
        assertFalse(iterator.hasNext());
        assertNull(iterator.next());

        // Without filter, resource should not be closed
        verify(resource, never()).close();
    }

    @Test
    @DisplayName("Iterator with accepting filter")
    void iteratorWithAcceptingFilter() throws Exception {
        // Setup

        }

        /**
         * Verifies that the isOpen method returns false for a closed handle.
         */
        @Test
        public void testIsOpen_ReturnsFalseWhenClosed() {
            when(smbPipeHandle.isOpen()).thenReturn(false);
            assertFalse(smbPipeHandle.isOpen(), "isOpen() should return false when the handle is closed.");
        }
    }

    /**

        .isFalse();
    // But its closeable is closed.
    assertClosed(closeable1);

    // Step 2 is cancelled because it wasn't complete.
    assertWithMessage("step2.statusFuture().isCancelled()")
        .that(step2.statusFuture().isCancelled())
        .isTrue();
    // Its closeable is closed.
    assertClosed(closeable2);

    // Step 3 was cancelled before it began

  Closer(Suppressor suppressor) {
    this.suppressor = checkNotNull(suppressor); // checkNotNull to satisfy null tests
  }

  /**
   * Registers the given {@code closeable} to be closed when this {@code Closer} is {@linkplain
   * #close closed}.
   *
   * @return the given {@code closeable}
   */
  // close. this word no longer has any meaning to me.
  @CanIgnoreReturnValue
  @ParametricNullness

        // Assert
        assertFalse(it.hasNext(), "No next when opened with null initial");
        verify(tree, times(1)).release(); // closed in constructor
    }

    @Test
    @DisplayName("open() throwing CIFSException triggers close and rethrow")
    void constructorOpenThrows() {
        // Arrange
        stubAcquireReturnsSelf();

* request body: request body (do not translate to "cuerpo de la petición")
* response body: response body (do not translate to "cuerpo de la respuesta")
* cross domain: cross domain (do not translate to "dominio cruzado")
* cross origin: cross origin (do not translate to "origen cruzado")
* plugin: plugin (do not translate to "complemento" or "extensión")
* plug-in: plug-in (do not translate to "complemento" or "extensión")