}

        assertTrue(sourceFile.exists(), "Source file should exist");
        assertFalse(targetFile.exists(), "Target file should not exist initially");

        // Copy file
        sourceFile.copyTo(targetFile);

        assertTrue(sourceFile.exists(), "Source file should still exist after copy");
        assertTrue(targetFile.exists(), "Target file should exist after copy");

    assertThat(filesystem.exists(getCleanFile("g1", 0))).isFalse()
    assertThat(filesystem.exists(getCleanFile("g1", 1))).isFalse()
    assertThat(filesystem.exists(getCleanFile("g2", 0))).isFalse()
    assertThat(filesystem.exists(getCleanFile("g2", 1))).isFalse()
    assertThat(filesystem.exists(cacheDir / "otherFile0")).isFalse()
    assertThat(filesystem.exists(cacheDir / "dir1")).isFalse()
  }

  integrity sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ==

path-exists@^4.0.0:
  version "4.0.0"
  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-4.0.0.tgz#513bdbe2d3b95d7762e8c1137efa195c6c61b5b3"
  integrity sha512-ak9Qy5Q7jYb2Wwcey5Fpvg2KoAc/ZIhLSLOSBmRmygPsGwkVVt0fZa0qrtMz+m6tJTAHfZQ8FnmB4MG4LWy7/w==

      }
      return null;
    }
  }

  private static final class InCompletionOrderState<T extends @Nullable Object> {
    // A happens-before edge between the writes of these fields and their reads exists, because
    // in order to read these fields, the corresponding write to incompleteOutputCount must have
    // been read.
    private boolean wasCancelled = false;
    private boolean shouldInterrupt = true;

     */
    public static <K, V> V putIfAbsent(final ConcurrentMap<K, V> map, final K key, final V value) {
        final V exists = map.putIfAbsent(key, value);
        if (exists != null) {
            return exists;
        }
        return value;
    }

    /**
     * Returns {@literal true} if the given {@link Collection} is {@literal null} or empty.
     *

  @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 0;

  /**
   * Not supported. Use {@link #toImmutableSortedMap}, which offers better type-safety, instead.
   * This method exists only to hide {@link ImmutableMap#toImmutableMap} from consumers of {@code
   * ImmutableSortedMap}.
   *
   * @throws UnsupportedOperationException always

        search(fessConfig.getLdapAdminRoleBaseDn(), fessConfig.getLdapAdminRoleFilter(role.getName()), null, adminEnv, result -> {
            if (!result.isEmpty()) {
                logger.info("Role already exists in LDAP server: name={}", role.getName());
            } else {
                final String entryDN = fessConfig.getLdapAdminRoleSecurityPrincipal(role.getName());

            }
        }
        buf.append(".jsp");
        return buf.toString();
    }

    /**
     * Checks if a page file exists at the given path.
     *
     * @param path the page path to check
     * @return true if the page exists, false otherwise
     */
    private boolean existsPage(final String path) {
        final String realPath = LaServletContextUtil.getServletContext().getRealPath(path);

      if (slashCount >= 2 || base == null || base.scheme != this.scheme) {
        // Read an authority if either:
        //  * The input starts with 2 or more slashes. These follow the scheme if it exists.
        //  * The input scheme exists and is different from the base URL's scheme.
        //
        // The structure of an authority is:
        //   username:password@host:port
        //

          }

          @Override
          public String toString() {
            return function.toString();
          }
        };
    // TODO(dpb): Switch to future.transformSync when that exists (passing a throwing function).
    return derive(future.transformAsync(applyFunction, executor));
  }

  /**
   * Returns a new {@code ClosingFuture} pipeline step derived from this one by applying a function