is not available, instead of erroring out, the dependency result will
                be `None`.

                This is useful when you want to have optional authentication.

                It is also useful when you want to have authentication that can be
                provided in one of multiple optional ways (for example, in HTTP Basic
                authentication or in an HTTP Bearer token).
                """

  }

  /**
   * Returns the number of times {@link Cache} lookup methods have successfully loaded a new value.
   * This is usually incremented in conjunction with {@link #missCount}, though {@code missCount} is
   * also incremented when an exception is encountered during cache loading (see {@link
   * #loadExceptionCount}). Multiple concurrent misses for the same key will result in a single load

  }

  /**
   * Returns the number of times {@link Cache} lookup methods have successfully loaded a new value.
   * This is usually incremented in conjunction with {@link #missCount}, though {@code missCount} is
   * also incremented when an exception is encountered during cache loading (see {@link
   * #loadExceptionCount}). Multiple concurrent misses for the same key will result in a single load

All access to MinIO object storage is via S3/SQL SELECT API. In addition to the compute nodes, MinIO containers are also managed by Kubernetes as stateful containers with local storage (JBOD/JBOF) mapped as persistent local volumes. This architecture enables multi-tenant MinIO, allowing isolation of data between customers.

#               (affects 'source $TFCI')
set -exo pipefail -o history -o allexport

# Set TFCI_GIT_DIR, the root directory for all commands, to two directories
# 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"

## MinIO Docker Tips

### MinIO Custom Access and Secret Keys

To override MinIO's auto-generated keys, you may pass secret and access keys explicitly as environment variables. MinIO server also allows regular strings as access and secret keys.

#### GNU/Linux and macOS (custom access and secret keys)

```sh
docker run \
  -p 9000:9000 \
  -p 9001:9001 \
  --name minio1 \

 * that {@linkplain #mightContain(Object)} will erroneously return {@code true} for an object that
 * has not actually been put in the {@code BloomFilter}.
 *
 * <p>Bloom filters are serializable. They also support a more compact serial representation via the
 * {@link #writeTo} and {@link #readFrom} methods. Both serialized forms will continue to be

## How to enable Fan-Out Uploads ?

-->

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 * {@link #shutDown} and also a {@link #runOneIteration} method that will be executed periodically.
 *
 * <p>This class uses the {@link ScheduledExecutorService} returned from {@link #executor} to run
 * the {@link #startUp} and {@link #shutDown} methods and also uses that service to schedule the