import StateMachineVisitor from "./AbstractVisitor";
import { IState } from "./types";
import { EventDescription, SMAction, SMEvents, SMStateName, SMVisitor } from "./types";
export declare class StateTreeValidator extends StateMachineVisitor implements SMVisitor {
    enterState(state: IState): void;
    validateEvents(state: IState, events?: SMEvents): void;
    validateInitialSubstate(state: IState): void;
    validateEventDescriptions(state: IState, description: EventDescription | Array<EventDescription>): void;
    validateStateTransition(state: IState, toState: SMStateName): void;
    validateActions(actions?: SMAction | Array<SMAction>): void;
}