// Utility class - not instantiable
    }

    private static final String ALPHABET = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";

    /**
     * Base-64 encodes the supplied block of data.  Line wrapping is not
     * applied on output.
     *
     * @param bytes The block of data that is to be Base-64 encoded.
     * @return A <code>String</code> containing the encoded data.
     */

    margin: 0.75rem 0 0.375rem; font-weight: 600; line-height: 1.3; color: #172b4d;
}
.message-content h1 { font-size: 1.25rem; }
.message-content h2 { font-size: 1.125rem; }
.message-content h3 { font-size: 1rem; }
.message-content h1:first-child, .message-content h2:first-child,
.message-content h3:first-child { margin-top: 0; }

/* Blockquote, Table, HR, Link styles */

pkg text/template/parse, type BreakNode struct
pkg text/template/parse, type BreakNode struct, Line int
pkg text/template/parse, type BreakNode struct, embedded NodeType
pkg text/template/parse, type BreakNode struct, embedded Pos
pkg text/template/parse, type ContinueNode struct
pkg text/template/parse, type ContinueNode struct, Line int
pkg text/template/parse, type ContinueNode struct, embedded NodeType

 *   <li><strong>Comment Preservation</strong>: Preserves XML comments and processing instructions</li>
 *   <li><strong>Line Separator Handling</strong>: Uses system-appropriate line separators</li>
 * </ul>
 */
public abstract class AbstractUpgradeGoal implements Goal {

    private final StrategyOrchestrator orchestrator;

    @Inject

   * `example.com:443` (HTTPS proxy).
   *
   * For OPTIONS requests, this may be an asterisk, `*`.
   */
  public val target: String,
  /** A string like `HTTP/1.1` or `HTTP/2`. */
  public val version: String,
  /** The request URL built using the request line, headers, and local host name. */
  public val url: HttpUrl,
  /** All headers. */
  public val headers: Headers,

            // 2. Find all the changelog files it contained
            Set<String> filesInTreeForVersion = gitWrapper.listFiles("v" + earlierVersion, "docs/changelog")
                .map(line -> Path.of(line).getFileName().toString())
                .collect(toSet());

            Set<File> filesForVersion = new HashSet<>();
            partitionedFiles.put(earlierVersion, filesForVersion);

### 1. Prerequisites

- Install MinIO - [MinIO Quickstart Guide](https://docs.min.io/community/minio-object-store/operations/deployments/baremetal-deploy-minio-on-redhat-linux.html)
- Install `awscli` - [Installing AWS Command Line Interface](https://docs.aws.amazon.com/cli/latest/userguide/cli-chap-install.html)

### 2. Set bucket WORM configuration

#!/usr/bin/env bash

echo "Running $0"

if [ -n "$TEST_DEBUG" ]; then
	set -x
fi

trap 'catch $LINENO' ERR

# shellcheck disable=SC2120
catch() {
	if [ $# -ne 0 ]; then
		echo "error on line $1"
		echo "dc1 server logs ========="
		cat /tmp/dc1.log
		echo "dc2 server logs ========="
		cat /tmp/dc2.log
	fi

	echo "Cleaning up instances of MinIO"
	set +e
	pkill minio
	pkill mc
	rm -rf /tmp/xl/

```
scala> val file = sc.textFile("s3a://testbucket/testdata")
file: org.apache.spark.rdd.RDD[String] = s3a://testbucket/testdata MapPartitionsRDD[1] at textFile at <console>:24

scala> val counts = file.flatMap(line => line.split(" ")).map(word => (word, 1)).reduceByKey(_ + _)
counts: org.apache.spark.rdd.RDD[(String, Int)] = ShuffledRDD[4] at reduceByKey at <console>:25

scala> counts.saveAsTextFile("s3a://testbucket/wordcount")
```

    private boolean parallel;

    /**
     * Plugin context keyed by project ({@link MavenProject#getId()}) and by plugin lookup key
     * ({@link PluginDescriptor#getPluginLookupKey()}). Plugin contexts itself are mappings of {@link String} keys to
     * {@link Object} values.
     */
    private final ConcurrentMap<String, ConcurrentMap<String, ConcurrentMap<String, Object>>>