- Has a private implementation.
- Is owned by a single team. A team may own multiple architecture modules.

The modules are arranged into several different "Gradle platforms".
A Gradle platform is a logical distribution that provides support for a specific kind of automation.
A typical platform builds on other platforms in order to add more capabilities, for example, to add support for a particular language.

+ Create a topic branch from where you want to base your work (this is usually the master branch).
  Push your changes to a topic branch in your fork of the repository.
+ Make commits of logical units.
+ Respect the original code style: by using the same [codestyle][code-style],
  patches should only highlight the actual difference, not being disturbed by any formatting issues:
  + Only use spaces for indentation.

            System.exit(2);
        }

        String targetRef = "refs/remotes/origin/" + targetBranch;

        if (!refExists(targetRef)) {
            System.err.println("Target ref " + targetRef + " not present locally; fetching origin/" + targetBranch + "...");
            run("git", "fetch", "origin", targetBranch);
        }

        String targetSha = stdout("git", "rev-parse", targetRef).trim();

 * currently carrying zero streams is an idle stream. We keep it alive because reusing an existing
 * connection is typically faster than establishing a new one.
 *
 * When a single logical call requires multiple streams due to redirects or authorization
 * challenges, we prefer to use the same physical connection for all streams in the sequence. There

const (
	// Asm defines some two-character lexemes. We make up
	// a rune/ScanToken value for them - ugly but simple.
	LSH          ScanToken = -1000 - iota // << Left shift.
	RSH                                   // >> Logical right shift.
	ARR                                   // -> Used on ARM for shift type 3, arithmetic right shift.
	ROT                                   // @> Used on ARM for shift type 4, rotate right.

        }

        /**
         * Constructs a new PathSource with the specified path and location.
         *
         * @param path the filesystem path to the source content
         * @param location the logical location of the source, used for reporting purposes.
         *                 If null, the path string representation is used
         */
        protected PathSource(Path path, String location) {

# $TFCI_OUTPUT_DIR/script.log
exec > >(tee "$TFCI_OUTPUT_DIR/script.log") 2>&1

# Setup tfrun, a helper function for executing steps that can either be run
# locally or run under Docker. setup_docker.sh, below, redefines it as "docker
# exec".
# Important: "tfrun foo | bar" is "( tfrun foo ) | bar", not "tfrun (foo | bar)".
# Therefore, "tfrun" commands cannot include pipes -- which is

        }
        execute(spec -> {
            spec.setCommand("box");
            spec.setSubcommand("update");
        });

        // Destroying before every execution can be annoying while iterating on tests locally. Therefore, we provide a flag that defaults
        // to true that can be used to control whether or not to destroy any test boxes before test execution.
        boolean destroyVM = Util.getBooleanProperty("vagrant.destroy", true);

      <property name="maximumDepth" value="1" />
      <message key="descendant.token.max" value="Do not check for equality with 'true', since it is implied" />
    </module>

    <!-- Forbid using '!' for logical negations in favour of checking against 'false' explicitly. -->
    <!-- This is only reported in the IDE for now because there are many violations -->
    <module name="DescendantToken">

 *
 * <p>Duplicate hosts allow administrators to define hostname patterns that should
 * be treated as equivalent during crawling, helping to avoid duplicate content
 * from the same logical site accessed via different hostnames.</p>
 */
public class DuplicateHostPager implements Serializable {

    private static final long serialVersionUID = 1L;

    /** Default page size for pagination. */