}
    return false
  }

  /**
   * Closes the cache and deletes all of its stored values. This will delete all files in the cache
   * directory including files that weren't created by the cache.
   */
  @Throws(IOException::class)
  fun delete() {
    close()
    fileSystem.deleteContents(directory)
  }

  /**
   * Deletes all stored values from the cache. In-flight edits will complete normally but their

            return null;
        });
        return asJson(new ApiUpdateResponse().id(labelType.getId()).created(false).status(Status.OK).result());
    }

    /**
     * Deletes a label type setting by ID.
     *
     * @param id the ID of the label type setting to delete
     * @return JSON response indicating success or failure
     */
    // DELETE /api/admin/labeltype/setting/{id}

  }

  public void testToArray_threadSafe() {
    for (int delta : new int[] {+1, 0, -1}) {
      for (int i = 0; i < VALUES.length; i++) {
        List<Short> list = Shorts.asList(VALUES).subList(0, i);
        Collection<Short> misleadingSize = Helpers.misleadingSizeCollection(delta);
        misleadingSize.addAll(list);
        short[] arr = Shorts.toArray(misleadingSize);

            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
        }).createPageNumberList());

        return dataConfigList;
    }

    /**
     * Deletes the specified data configuration from the system.
     *
     * <p>This operation permanently removes the data configuration and
     * immediately refreshes the index to ensure the change is visible.</p>
     *

            return null;
        });
        return asJson(new ApiUpdateResponse().id(dataConfig.getId()).created(false).status(Status.OK).result());
    }

    /**
     * Deletes a data config setting by ID.
     *
     * @param id the ID of the data config to delete
     * @return JSON response indicating the deletion status
     */
    // DELETE /api/admin/dataconfig/setting/{id}

        }
        return asJson(new ApiResult.ApiUpdateResponse().id(entity.getId()).created(false).status(ApiResult.Status.OK).result());
    }

    /**
     * Deletes a scheduler setting by ID.
     *
     * @param id the ID of the scheduler setting to delete
     * @return JSON response indicating success or failure
     */
    // DELETE /api/admin/scheduler/setting/{id}

                        () -> asListHtml(encodeId(pi.getPath())));
            }
        });
    }

    /**
     * Deletes a file from the storage system.
     *
     * @param id the encoded ID of the file to delete
     * @return HTML response redirecting to the storage list after deletion
     */
    @Execute
    @Secured({ ROLE })

  private val socketAdapters =
    listOfNotNull(
      StandardAndroidSocketAdapter.buildIfSupported(),
      DeferredSocketAdapter(AndroidSocketAdapter.playProviderFactory),
      // Delay and Defer any initialisation of Conscrypt and BouncyCastle
      DeferredSocketAdapter(ConscryptSocketAdapter.factory),
      DeferredSocketAdapter(BouncyCastleSocketAdapter.factory),
    ).filter { it.isSupported() }

    runner.close();
    runner.clean();
}
```

### Testing Best Practices

- Minimize `Thread.sleep()` - use only when absolutely necessary
- For timestamp tests: use minimal delays (50-100ms)
- Clean only test-specific indices (not `_all` unless needed)
- Use `runner.refresh()` after index operations
- Test with realistic multilingual content

### Key Test Classes

    }

    /**
     * Deletes a document asynchronously.
     *
     * @param request the delete request
     * @return a future for the delete response
     */
    @Override
    public ActionFuture<DeleteResponse> delete(final DeleteRequest request) {
        return client.delete(request);
    }

    /**
     * Deletes a document asynchronously with a callback.
     *