checkNotNull(file);
    File parent = file.getCanonicalFile().getParentFile();
    if (parent == null) {
      /*
       * The given directory is a filesystem root. All zero of its ancestors exist. This doesn't
       * mean that the root itself exists -- consider x:\ on a Windows machine without such a drive
       * -- or even that the caller can create it, but this method makes no such guarantees even for
       * non-root files.
       */

                        throw new ExitException(1);
                    }
                } else {
                    System.err.println(
                            "POM file " + arg + " specified with the -f/--file command line argument does not exist");
                    throw new ExitException(1);
                }

    /**
     * The total number of pages available.
     */
    private int allPageCount;

    /**
     * Whether a previous page exists.
     */
    private boolean existPrePage;

    /**
     * Whether a next page exists.
     */
    private boolean existNextPage;

    /**
     * The list of page numbers for navigation.
     */
    private List<Integer> pageNumberList;

        File file = new File(dir, filename);

        if (shouldExist) {
            assertTrue(file.exists(), "Expected " + file + ".exists() to return true");
        } else {
            assertFalse(file.exists(), "Expected " + file + ".exists() to return false");
        }
    }

   *
   * <p>Under Android VMs, the methods for retrieving type-use annotations don't exist. This means
   * that {@link NullPointerTester} may misbehave under Android when used on classes that rely on
   * type-use annotations.
   *
   * <p>Under j2objc, the necessary APIs exist, but some (perhaps all) return stub values, like

     */
    private void updateConnectionMetrics() {
        // Clean up metrics for connections that no longer exist
        connectionMetrics.entrySet().removeIf(entry -> {
            String key = entry.getKey();
            boolean exists = connections.stream().anyMatch(conn -> getConnectionKey(conn).equals(key));
            return !exists;
        });
    }

    /**
     * Get detailed health statistics
     */

                return "http://example.com/test";
            }
        };

        File tempFile = ResponseDataUtil.createResponseBodyFile(responseData);

        assertNotNull(tempFile);
        assertTrue(tempFile.exists());

        // Read and verify content
        try (FileInputStream fis = new FileInputStream(tempFile)) {
            byte[] buffer = new byte[1024];
            int bytesRead = fis.read(buffer);

                        boolean exists = parentCache.hasChild(smbFile.getName());
                        log.debug("Using cached existence check for: {}", smbFile.getPath());
                        return exists;
                    }
                }
            }

            // Fall back to regular existence check
            return smbFile.exists();
        } catch (CIFSException e) {

		echo "FAILED"
		purge "$WORK_DIR"
		exit 1
	fi

	set -e

	"${PWD}/mc" mb minio/testbucket
	"${PWD}/mc" anonymous set public minio/testbucket

	# slow header writing
	send_put_object_request 20 0 && exit -1
	"${PWD}/mc" stat minio/testbucket/testobject && exit -1

	# quick header write and slow bodywrite
	send_put_object_request 0 40 && exit -1

  }

  public void testTouch() throws IOException {
    File temp = createTempFile();
    assertTrue(temp.exists());
    assertTrue(temp.delete());
    assertFalse(temp.exists());
    Files.touch(temp);
    assertTrue(temp.exists());
    Files.touch(temp);
    assertTrue(temp.exists());

    assertThrows(
        IOException.class,
        () ->
            Files.touch(