*/
  private static final SuccessorsFunction<Character> MULTI_GRAPH =
      createDirectedGraph("aa", "dd", "ab", "ac", "ca", "cd", "bd");

  /** A directed graph with a single cycle: a -> b -> c -> d -> a. */
  private static final SuccessorsFunction<Character> CYCLE_GRAPH =
      createDirectedGraph("ab", "bc", "cd", "da");

  /**
   * Same as {@link #CYCLE_GRAPH}, but with an extra a->c edge.
   *
   * {@snippet :

   */
  private static final SuccessorsFunction<Character> MULTI_GRAPH =
      createDirectedGraph("aa", "dd", "ab", "ac", "ca", "cd", "bd");

  /** A directed graph with a single cycle: a -> b -> c -> d -> a. */
  private static final SuccessorsFunction<Character> CYCLE_GRAPH =
      createDirectedGraph("ab", "bc", "cd", "da");

  /**
   * Same as {@link #CYCLE_GRAPH}, but with an extra a->c edge.
   *
   * {@snippet :

#!/bin/bash

set -x

## change working directory
cd .github/workflows/multipart/

function cleanup() {
	docker-compose -f docker-compose-site1.yaml rm -s -f || true
	docker-compose -f docker-compose-site2.yaml rm -s -f || true
	for volume in $(docker volume ls -q | grep minio); do
		docker volume rm ${volume} || true
	done

	docker system prune -f || true
	docker volume prune -f || true

# Test Guide

```bash
cd tests
# prepare test databases
docker-compose up

# run all tests
./tests_all.sh

# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.

set -e

if [ ! -f run.bash ]; then
	echo 'clean.bash must be run from $GOROOT/src' 1>&2
	exit 1
fi
export GOROOT="$(cd .. && pwd)"

gobin="${GOROOT}"/bin
if ! "$gobin"/go help >/dev/null 2>&1; then
	echo 'cannot find go command; nothing to clean' >&2
	exit 1
fi

"$gobin/go" clean -i std
"$gobin/go" tool dist clean

##
## readlink() {
##     return /bin/readlink -f "$1"
## }
##
readlink() {
	TARGET_FILE=$1

	cd $(dirname $TARGET_FILE)
	TARGET_FILE=$(basename $TARGET_FILE)

	# Iterate down a (possible) chain of symlinks
	while [ -L "$TARGET_FILE" ]; do
		TARGET_FILE=$(env readlink $TARGET_FILE)
		cd $(dirname $TARGET_FILE)
		TARGET_FILE=$(basename $TARGET_FILE)
	done

export CI=true

if [ ! -f ./mc ]; then
	wget --quiet -O mc https://dl.minio.io/client/mc/release/linux-amd64/mc &&
		chmod +x mc
fi

mc -v

# Start openid server
(
	cd ./minio-iam-testing
	make docker-images
	make docker-run
	cd -
)

(minio server --address :22000 --console-address :10000 http://localhost:22000/tmp/openid{1...4} 2>&1 >/tmp/server.log) &
./mc ready myminio
./mc mb myminio/test-bucket

    SCRIPT="$link"
  else
    SCRIPT=`dirname "$SCRIPT"`/"$link"
  fi
done

# determine fess home
FESS_HOME=`dirname "$SCRIPT"`/..

# make FESS_HOME absolute
FESS_HOME=`cd "$FESS_HOME"; pwd`


# If an include wasn't specified in the environment, then search for one...
if [ "x$FESS_INCLUDE" = "x" ]; then
    # Locations (in order) to use when searching for an include file.

      uses: actions/checkout@v4
      with:
        repository: codelibs/fess-parent
        ref: ${{ env.PARENT_BRANCH }}
        path: fess-parent
    - name: Install fess-parent
      run: |
        cd fess-parent
        mvn install -Dgpg.skip=true
    - name: Build with Maven

# above the location of this file (setup.sh). We could also use "git rev-parse
# --show-toplevel", but that wouldn't work for non-git repos (like if someone
# downloaded TF as a zip archive).
export TFCI_GIT_DIR=$(cd $(dirname "$0"); realpath ../../)
cd "$TFCI_GIT_DIR"

# "TFCI" may optionally be set to the name of an env-type file with TFCI
# variables in it, OR may be left empty if the user has already exported the