declare const __isKnytLifecycleInterrupt: unique symbol;
/**
 * Type guard to check if a value is a `LifecycleInterrupt`.
 */
export declare function isLifecycleInterrupt<TReason = any>(value: unknown): value is LifecycleInterrupt<TReason>;
/**
 * An exception that indicates the interruption of a Knyt lifecycle.
 */
export declare class LifecycleInterrupt<TReason> extends DOMException {
    readonly reason: TReason;
    constructor(reason: TReason);
    get [__isKnytLifecycleInterrupt](): true;
}
export {};
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