- * List of acquire actions that might synchronize with one or more
- * release sequence. Release sequences might be determined lazily as
- * promises are fulfilled and modification orders are established. Each
- * ModelAction in this list must be an acquire operation.
+ * List of pending release sequences. Release sequences might be
+ * determined lazily as promises are fulfilled and modification orders
+ * are established. Each entry in the list may only be partially
+ * filled, depending on its pending status.