}
        }
        registry.configure(ModelActionRole.Mutate) {
            it.path("b").descriptor("b-mutate").action { Bean b ->
                b.value = "b-mutate"
            }
        }
        registry.configure(ModelActionRole.Mutate) {
            it.path("a").descriptor("a-mutate").action { Bean a ->
                a.value = "a-mutate"
            }
        }

import java.util.ArrayList;
import java.util.List;

/**
 * Used to track which configurations in other projects a given resolution depends on. This data is
 * used to mark those configurations as observed so that they cannot be mutated later.
 *
 * <strong>Do not build on-top of this visitor. If you want to track cross-project dependencies,
 * use {@link org.gradle.api.internal.artifacts.configurations.ProjectComponentObservationListener}</strong>
 *

     * Returns the candidates for variant selection during graph resolution.
     */
    GraphSelectionCandidates getCandidatesForGraphVariantSelection();

    /**
     * Does this instance represent some temporary or mutated view of the component?
     *
     * Generally you should avoid retaining ad hoc instances in memory, whereas non-ad hoc instances can safely be cached for the lifetime of the build tree.
     *

# Each fuzz function writes the input to a log file. The coordinator and worker
# use separate log files. check_logs.go verifies that the coordinator only
# tests seed values and the worker tests mutated values on the fuzz target.

[short] skip
env GOCACHE=$WORK/cache

go test -fuzz=FuzzA -fuzztime=100x -parallel=1 -log=fuzz
go run check_logs.go fuzz fuzz.worker

     */
    protected abstract FileSystemNode withIncompleteChildren();

    /**
     * Returns an updated node with an updated list of children.
     *
     * Caller must ensure the child list is not be mutated as the method
     * doesn't make a defensive copy.
     */
    protected abstract FileSystemNode withIncompleteChildren(ChildMap<? extends FileSystemNode> newChildren);

    /**

/**
 * A maven workspace reader that delegates to a chain of other readers, effectively aggregating their contents.
 * <p>
 * This class, while technically is not immutable, should be considered as such once set up. If not mutated, it is also
 * thread-safe. The mutation of this class instances should happen beforehand their use in session.
 */
public class MavenChainedWorkspaceReader implements MavenWorkspaceReader {

	}
	copy := NewCycleState()
	// Safe copy storage in case of overwriting.
	c.storage.Range(func(k, v interface{}) bool {
		copy.storage.Store(k, v.(StateData).Clone())
		return true
	})
	// The below are not mutated, so we don't have to safe copy.
	copy.recordPluginMetrics = c.recordPluginMetrics
	copy.SkipFilterPlugins = c.SkipFilterPlugins
	copy.SkipScorePlugins = c.SkipScorePlugins

	return copy
}

	if info == nil {
		info = new(Info)
	}

	// Note: clients may call NewChecker with the Unsafe package, which is
	// globally shared and must not be mutated. Therefore NewChecker must not
	// mutate *pkg.
	//
	// (previously, pkg.goVersion was mutated here: go.dev/issue/61212)

	// In go/types, conf._EnableAlias is controlled by gotypesalias.
	conf._EnableAlias = gotypesalias.Value() != "0"

	return &Checker{

    fun addSystemPropertyToFingerprint(key: String, value: Any?, consumer: String? = null) {
        if (isSystemPropertyMutated(key)) {
            // Mutated values of the system properties are not part of the fingerprint, as their value is
            // set at the configuration time. Everything that reads a mutated property value should be saved
            // as a fixed value.
            return
        }
        val propertyValue =

  private var nextTcpConnectAtNanos = Long.MIN_VALUE

  /**
   * Plans currently being connected, and that will later be added to [connectResults]. This is
   * mutated by the call thread only. If is accessed by background connect threads.
   */
  private val tcpConnectsInFlight = CopyOnWriteArrayList<Plan>()

  /**