+ /**
+ * @brief Inserts an arbitrary enabled actor into the wakeup tree
+ * associated with this state, if such an actor exists and if
+ * the wakeup tree is already not empty
+ *
+ * @param prior The sequence of steps leading up to this state
+ * with respec to which the tree associated with this state should be
+ * a wakeup tree (wakeup trees are defined relative to an execution)
+ *
+ * @invariant: You should not manipulate a wakeup tree with respect
+ * to more than one execution; doing so will almost certainly lead to
+ * unexpected results as wakeup trees are defined relative to a single
+ * execution
+ */
+ void seed_wakeup_tree_if_needed(const odpor::Execution& prior);
+
+ /**
+ * @brief Initializes the wakeup_tree_ instance by taking the subtree rooted at the
+ * single-process node `N` running actor `p := "actor taken by parent to form this state"`
+ * of the *parent's* wakeup tree
+ */
+ void sprout_tree_from_parent_state();
+
+ /**
+ * @brief Removes the subtree rooted at the single-process node
+ * `N` running actor `p` of this state's wakeup tree
+ */
+ void remove_subtree_using_current_out_transition();
+ void remove_subtree_at_aid(aid_t proc);
+ bool has_empty_tree() const { return this->wakeup_tree_.empty(); }
+ std::string string_of_wut() const { return this->wakeup_tree_.string_of_whole_tree(); }
+
+ /**
+ * @brief
+ */
+ odpor::WakeupTree::InsertionResult insert_into_wakeup_tree(const odpor::PartialExecution&, const odpor::Execution&);
+
+ /** @brief Prepares the state for re-exploration following
+ * another after having followed ODPOR from this state with
+ * the current out transition
+ *
+ * After ODPOR has completed searching a maximal trace, it
+ * finds the first point in the execution with a nonempty wakeup
+ * tree. This method corresponds to lines 20 and 21 in the ODPOR
+ * pseudocode
+ */
+ void do_odpor_unwind();
+