The Conditions class is an instance-less non-static-state-less class providing predefined conditions. Not-predefined, i.e. user defined, conditions should be made available to the world through an extension of Conditions.
The object informed of unhandled condition raises. Iff nil, the program aborts when a condition being raised is not handled. This feature is not yet implemented within the runtime.
The selector of the message to be sent to the unhandled_raise_handler. This method accepts a single argument, which will be a Condition. This feature is not yet implemented within the runtime.
Various (and numerous) condition classes, indented according to condition inheritance.