val deflater = MessageDeflater(false)
    val deflated = deflater.deflate("Hello deflate!".encodeUtf8())
    assertThat(deflated.hex()).isEqualTo("f248cdc9c95748494dcb492c49550400")
  }

  @Test fun `inflate deflate`() {
    val deflater = MessageDeflater(false)
    val inflater = MessageInflater(false)

    val goldenValue = "Hello deflate!".repeat(100).encodeUtf8()

    val deflated = deflater.deflate(goldenValue)

  fun initialize() {
    cache.initialize()
  }

  /**
   * 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() {
    cache.delete()
  }

  /**
   * Deletes all values stored in the cache. In-flight writes to the cache will complete normally,

			auditLogLifecycle(ctx, *oi, ILMExpiry, tags, traceFn)
		}
		return err
	}

	// Delete remote object from warm-tier
	err := deleteObjectFromRemoteTier(ctx, oi.TransitionedObject.Name, oi.TransitionedObject.VersionID, oi.TransitionedObject.Tier)
	if err == nil {
		// Skip adding free version since we successfully deleted the
		// remote object
		opts.SkipFreeVersion = true
	} else {
		transitionLogIf(ctx, err)
	}

        });
        return redirect(getClass());
    }

    /**
     * Deletes a label type.
     *
     * @param form the edit form
     * @return HTML response after deletion
     */
    @Execute
    @Secured({ ROLE })
    public HtmlResponse delete(final EditForm form) {
        verifyCrudMode(form.crudMode, CrudMode.DETAILS, this::asListHtml);

     *
     * @return a string containing the execution result with the number of deleted files or error message
     */
    public String execute() {
        try {
            final long count = ComponentUtil.getThumbnailManager().purge(getExpiry());
            return "Deleted " + count + " thumbnail files.";
        } catch (final Exception e) {
            logger.error("Failed to purge thumbnails.", e);

        });
        return redirect(getClass());
    }

    /**
     * Deletes an existing elevate word entry.
     *
     * @param form edit form containing the elevate word ID to delete
     * @return redirect response to the main elevate word page
     */
    @Execute
    @Secured({ ROLE })
    public HtmlResponse delete(final EditForm form) {
        verifyCrudMode(form.crudMode, CrudMode.DETAILS, this::asListHtml);

        });
        return redirect(getClass());
    }

    /**
     * Deletes a request header item.
     *
     * @param form the edit form containing the ID of the item to delete
     * @return HTML response redirecting to the list page after deletion
     */
    @Execute
    @Secured({ ROLE })
    public HtmlResponse delete(final EditForm form) {
        verifyCrudMode(form.crudMode, CrudMode.DETAILS, this::asListHtml);

                        }
                    }));
        } else {
            // do nothing
        }
    }

    /**
     * Deletes a user from the LDAP directory.
     *
     * @param user the user object to delete
     */
    public void delete(final User user) {
        if (!fessConfig.isLdapAdminEnabled(user.getName())) {
            return;
        }

need it so that empty directory does not get deleted...

need it so that empty directory does not get deleted...