if versioned || suspended {
				// Bucket is versioned and no version was explicitly
				// mentioned for deletes, create a delete marker instead.
				vr.ModTime = UTCNow()
				vr.Deleted = true
				// Versioning suspended means that we add a `null` version
				// delete marker, if not add a new version for this delete
				// marker.
				if versioned {
					vr.VersionID = mustGetUUID()
				}
			}
		}

    }
    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

	m.buckets[bucket] = b
	return b
}

// deleteBucketCache will delete the bucket cache if it exists.
func (m *metacacheManager) deleteBucketCache(bucket string) {
	m.init.Do(m.initManager)
	m.mu.Lock()
	b, ok := m.buckets[bucket]
	if !ok {
		m.mu.Unlock()
		return
	}
	delete(m.buckets, bucket)
	m.mu.Unlock()

	// Since deletes may take some time we try to do it without
	// holding lock to m all the time.

    }

    /**
     * Deletes a crawling information record and all its associated parameters.
     * First deletes all related CrawlingInfoParam records, then deletes the main record
     * with immediate refresh to ensure consistency.
     *
     * @param crawlingInfo the crawling information entity to delete
     */
    public void delete(final CrawlingInfo crawlingInfo) {

To permanently delete an object you need to specify the version you want to delete, only the user with appropriate permissions can permanently delete a version.  As shown below DELETE request called with a specific version id permanently deletes an object from a bucket. Delete marker is not added for DELETE requests with version id.

// The above means that any added/deleted fields are incompatible.
//
//msgp:tuple VolInfo
type VolInfo struct {
	// Name of the volume.
	Name string

	// Date and time when the volume was created.
	Created time.Time

	// total VolInfo counts
	count int

	// Date and time when the volume was deleted, if Deleted
	Deleted time.Time
}

     */
    void addExcludeUrlFilter(String sessionId, List<String> urlList);

    /**
     * Deletes the URL filter associated with the specified session ID.
     *
     * @param sessionId the ID of the session whose URL filter is to be deleted
     */
    void delete(String sessionId);

    /**
     * Deletes all entries from the URL filter.
     */
    void deleteAll();

    /**

            reload(updater);
        }
    }

    /**
     * Deletes a character mapping item from the dictionary file.
     *
     * @param item the character mapping item to delete
     */
    @Override
    public synchronized void delete(final CharMappingItem item) {
        final CharMappingItem mappingItem = item;

                        Files.deleteIfExists(handleFile);
                    } catch (IOException deleteEx) {
                        log.error("Failed to delete corrupted handle file: " + handleFile, deleteEx);
                    }
                }
            }
        } catch (IOException e) {
            log.error("Failed to load persisted handles from directory: " + stateDirectory, e);
        }
    }

    /**

    }

    /**
     * Deletes documents matching the given query from the search index.
     *
     * @param body the search parameters defining which documents to delete
     * @return JSON response containing the count of deleted documents
     */
    // DELETE /api/admin/searchlist/query
    @Execute
    public JsonResponse<ApiResult> delete$query(final SearchBody body) {