Type Alias StateTransitions<T1, T2, T3, T4>

StateTransitions: {
    [State in T1]: {
        [Action in T2]?: {
            actionHandler?: (
                props: {
                    context?: T4;
                    payload: T3[Action];
                    performAction: PerformAction<T2, T3>;
                    setContext: (getNewContext: (prevContext?: T4) => T4) => T4;
                },
            ) => Promise<void>;
            toState: T1;
        }
    }
}