return chains().get(stream -> stream.allMatch(c -> c.changePassword(username, password)));
    }

    /**
     * Deletes a user from all authentication chains.
     * @param user The user to delete.
     */
    public void delete(final User user) {
        chains().of(stream -> stream.forEach(c -> c.delete(user)));
    }

    /**
     * Loads user information by processing through all authentication chains.

func (e ErasureInfo) ShardSize() int64 {
	return ceilFrac(e.BlockSize, int64(e.DataBlocks))
}

// IsValid - tells if erasure info fields are valid.
func (fi FileInfo) IsValid() bool {
	if fi.Deleted {
		// Delete marker has no data, no need to check
		// for erasure coding information
		return true
	}
	dataBlocks := fi.Erasure.DataBlocks
	parityBlocks := fi.Erasure.ParityBlocks
	correctIndexes := (fi.Erasure.Index > 0 &&

./mc rm minio3/newbucket/README.md
sleep 5

./mc stat --no-list minio2/newbucket/README.md
if [ $? -eq 0 ]; then
	echo "expected file to be deleted, exiting.."
	exit_1
fi

./mc stat --no-list minio1/newbucket/README.md
if [ $? -eq 0 ]; then
	echo "expected file to be deleted, exiting.."
	exit_1
fi

./mc mb --with-lock minio3/newbucket-olock
sleep 5

set -x

                final long numOfDeleted = searchEngineClient.deleteByQuery(index, queryBuilder);
                logger.info("Deleted {} old docs.", numOfDeleted);
            } catch (final Exception e) {
                logger.error("Could not delete old docs at {}", dataConfig, e);
            }
        }

        /**
         * Checks if the crawling thread has finished execution.
         *

### Expiry or removal events

An object that is in transition tier will be deleted once the object hits expiry date or if removed via `mc rm` (`mc rm --vid` in the case of delete of a specific object version). Other rules specific to legal hold and object locking precede any lifecycle rules.

### Additional notes

				apiErr.Description = "The bucket you tried to delete is not empty. You must delete all versions in the bucket."
			}
		}
		writeErrorResponse(ctx, w, apiErr, r.URL)
		return
	}

	if globalDNSConfig != nil {
		if err := globalDNSConfig.Delete(bucket); err != nil {
			dnsLogIf(ctx, fmt.Errorf("Unable to delete bucket DNS entry %w, please delete it manually, bucket on MinIO no longer exists", err))

	}
	return canonicalizeETag(left) == canonicalizeETag(right)
}

// setPutObjHeaders sets all the necessary headers returned back
// upon a success Put/Copy/CompleteMultipart/Delete requests
// to activate delete only headers set delete as true
func setPutObjHeaders(w http.ResponseWriter, objInfo ObjectInfo, del bool, h http.Header) {
	// We must not use the http.Header().Set method here because some (broken)

		},
		// Test case - 2.
		// Delete deleted objects with quiet flag off.
		2: {
			bucket:             bucketName,
			objects:            successRequest0,
			accessKey:          credentials.AccessKey,
			secretKey:          credentials.SecretKey,
			expectedContent:    encodedSuccessResponse0,
			expectedRespStatus: http.StatusOK,
		},
		// Test case - 3.
		// Delete valid objects with quiet flag on.
		3: {

	//   key: The key used to associate the Stmt object.
	//   value: The Stmt object to be stored.
	Set(key string, value *Stmt)

	// Delete removes the Stmt object corresponding to the specified key from the store.
	// Parameters:
	//   key: The key associated with the Stmt object to be deleted.
	Delete(key string)
}

// defaultMaxSize defines the default maximum capacity of the cache.

    }

    /**
     * Deletes a boost document rule.
     * @param boostDocumentRule The boost document rule to delete.
     */
    public void delete(final BoostDocumentRule boostDocumentRule) {

        boostDocumentRuleBhv.delete(boostDocumentRule, op -> op.setRefreshPolicy(Constants.TRUE));

    }

    /**