//	}
//	close(c.done)
// }

// removeOldest removes the oldest item from the cache. Has to be called with lock!
func (c *LRU[K, V]) removeOldest() {
	if ent := c.evictList.Back(); ent != nil {
		c.removeElement(ent)
	}
}

// removeElement is used to remove a given list element from the cache. Has to be called with lock!
func (c *LRU[K, V]) removeElement(e *Entry[K, V]) {
	c.evictList.Remove(e)

	b.r++
	b.lastByte = int(c)
	return c, nil
}

// UnreadByte unreads the last byte. Only the most recently read byte can be unread.
//
// UnreadByte returns an error if the most recent method called on the
// [Reader] was not a read operation. Notably, [Reader.Peek], [Reader.Discard], and [Reader.WriteTo] are not
// considered read operations.
func (b *Reader) UnreadByte() error {

  }

  /**
   * An analogue of {@link java.util.function.Function} also accepting an index.
   *
   * <p>This interface is only intended for use by callers of {@link #mapWithIndex(Stream,
   * FunctionWithIndex)}.
   *
   * @since 21.0 (but only since 33.4.0 in the Android flavor)
   */

        configHelper.setLoadCallback(() -> {
            latch.countDown();
            return 1;
        });

        configHelper.update();

        assertTrue("Load method should be called within 5 seconds", latch.await(5, TimeUnit.SECONDS));
        assertEquals(1, configHelper.getLoadCallCount());
    }

    @Test
    public void test_update_multipleCallsIncrementLoadCount() throws InterruptedException {

    }

    /**
     * Test for close() method.
     * Verifies that the close method can be called without throwing an exception.
     * @throws CIFSException
     */
    @Test
    void testClose() throws CIFSException {
        smbTreeHandle.close();
        // Verify that close() was called on the mock
        verify(smbTreeHandle).close();
    }

    /**

        // and a mock SmbFile with specific attributes
        when(mockFile.getAttributes()).thenReturn(fileAttributes);

        // When the accept method is called
        boolean result = dosFileFilter.accept(mockFile);

        // Then the result should be as expected
        if (expectedResult) {
            assertTrue(result, "File should be accepted");
        } else {

        ServerMessageBlock response = new SmbComOpenAndXResponse();

        // Execute send
        tree.send(request, response);

        // Verify session.send was called and tid was set
        verify(session).send(request, response);
        assertEquals(123, request.tid);
    }

    @Test
    void testSendWithDfs() throws SmbException {

	return syscall.Exec(argv0, os.Args, os.Environ())
}

// freezeServices will freeze all incoming S3 API calls.
// For each call, unfreezeServices must be called once.
func freezeServices() {
	// Use atomics for globalServiceFreeze, so we can read without locking.
	// We need a lock since we are need the 2 atomic values to remain in sync.
	globalServiceFreezeMu.Lock()

 * {@link #callAndAssertBlocks} method is ever called in a test, the lock-like object must have a
 * method equivalent to {@link java.util.concurrent.locks.ReentrantLock#hasQueuedThread(Thread)}. If
 * the {@link #callAndAssertWaits} method is ever called in a test, the lock-like object must have a
 * method equivalent to {@link

            }

            // Verify that calculateMIC was never called
            verify(mockCtx, never()).calculateMIC(any());
            // Verify that supportsIntegrity was checked once
            verify(mockCtx, times(1)).supportsIntegrity();
            // Due to short-circuit evaluation, isEstablished should never be called
            // when supportsIntegrity returns false