*/
@NonNullApi
public class DefaultExecutionPlan implements ExecutionPlan, QueryableExecutionPlan {
    private final Set<Node> entryNodes = new LinkedHashSet<>();
    private final NodeMapping nodeMapping = new NodeMapping();
    private final String displayName;
    private final TaskNodeFactory taskNodeFactory;
    private final TaskDependencyResolver dependencyResolver;

    /**
     * See {@link DetermineExecutionPlanAction}
     */
    public DetermineExecutionPlanAction(DefaultExecutionPlan.NodeMapping nodeMapping, OrdinalNodeAccess ordinalNodeAccess, Set<Node> entryNodes, Set<Node> finalizers) {
        this.entryNodes = entryNodes;
        this.nodeMapping = nodeMapping;
        this.ordinalNodeAccess = ordinalNodeAccess;
        this.finalizers = finalizers;
    }

    private
    val nodeMapping: MutableMap<DeclarativeDocument.DocumentNode, BlockElement> = mutableMapOf()

    private
    val valueMapping: MutableMap<DeclarativeDocument.ValueNode, Expr> = mutableMapOf()

    val languageTreeMappingContainer = object : LanguageTreeMappingContainer {
        override fun data(node: DeclarativeDocument.DocumentNode.ElementNode): BlockElement = nodeMapping.getValue(node)