* This class is not final so concrete actor behavior implementations may subclass it and track more information about
* the backend. The {@link #hashCode()} and {@link #equals(Object)} methods are made final to ensure subclasses compare
* This class is not final so concrete actor behavior implementations may subclass it and track more information about
* the backend. The {@link #hashCode()} and {@link #equals(Object)} methods are made final to ensure subclasses compare