import { GameState } from "./gameState";
export declare enum GuardWarningType {
    invalidExposedStateUnmounting = "invalidExposedStateUnmounting",
    unexpectedTimelineStatusChange = "unexpectedTimelineStatusChange"
}
export interface GuardConfig {
    [GuardWarningType.invalidExposedStateUnmounting]: boolean;
    [GuardWarningType.unexpectedTimelineStatusChange]: boolean;
}
/**
 * Guard for the game state.
 *
 * After NarraLeaf-React 0.3.0, this class is designed to be used as a guard for the game state.
 * With this feature, developers can easily find incorrect states or unexpected behaviors in the game.
 */
export declare class GameStateGuard {
    readonly config: GuardConfig;
    private watching;
    private warnings;
    constructor(config: GuardConfig);
    observe(state: GameState): this;
    warn(type: GuardWarningType, message: string): string;
    getWarnings(): [GuardWarningType, string][];
}