doLast {
                    def destroyablePaths = []
                    def propertyWalker = services.get(PropertyWalker)
                    TaskPropertyUtils.visitProperties(propertyWalker, it, new PropertyVisitor() {
                        @Override
                        void visitDestroyableProperty(Object value) {
                            destroyablePaths << value
                        }
                    })

import java.util.HashSet;
import java.util.Set;

class MutationInfo {
    private final Set<Node> nodesYetToConsumeOutput = new HashSet<>();
    final Set<String> outputPaths = new HashSet<>();
    final Set<String> destroyablePaths = new HashSet<>();
    boolean hasFileInputs;
    boolean hasOutputs;
    boolean hasLocalState;
    boolean hasValidationProblem;
    private boolean outputProduced;

    void started() {

        accessHierarchies.getOutputHierarchy().recordNodeAccessingLocations(node, mutations.outputPaths);
        accessHierarchies.getDestroyableHierarchy().recordNodeAccessingLocations(node, mutations.destroyablePaths);
    }

    private static final class ResolveTaskMutationsDetails implements ResolveTaskMutationsBuildOperationType.Details {
        private final TaskIdentity<?> taskIdentity;