import { InAppMessageLifecycle, InAppMessageLifecycleEvent } from "./InAppMessageLifecycle";
declare type InAppMessageLifecycleRegistryKey = `${InAppMessageLifecycleEvent["type"]}_${InAppMessageLifecycleEvent["id"]}`;
export declare type InAppMessageLifecycleRegistry = Record<InAppMessageLifecycleRegistryKey, () => void>;
export declare class HackleInAppMessageLifecycleRegistry {
    private record;
    private resolveKey;
    register(type: InAppMessageLifecycle, handler: () => void): string;
    getAndRemove(type: InAppMessageLifecycle, id: string): InAppMessageLifecycleRegistry[InAppMessageLifecycleRegistryKey] | undefined;
}
export {};