declare abstract class StateMachineError extends Error { constructor(message: string); } export declare class MessageNotExist extends StateMachineError { } export declare class InvalidActionType extends StateMachineError { } export declare class InvalidTransition extends StateMachineError { } export declare class InitialStateError extends StateMachineError { } export declare class InHaltedState extends StateMachineError { } export declare class GuardError extends StateMachineError { } export declare class ActionError extends StateMachineError { } export declare class AmbiguousTransition extends StateMachineError { } export {};