import { CollectibleType } from "isaac-typescript-definitions";
import type { ModCallbackCustom } from "../../enums/ModCallbackCustom";
import type { OptionalArgs } from "../private/CustomCallback";
import { CustomCallback } from "../private/CustomCallback";
type T = ModCallbackCustom.POST_COLLECTIBLE_EMPTY;
export declare class PostCollectibleEmpty extends CustomCallback<T> {
    v: {
        room: {
            collectibleTypeMap: Map<PtrHash, CollectibleType>;
        };
    };
    constructor();
    protected shouldFire: (fireArgs: [collectible: EntityPickupCollectible, oldCollectibleType: CollectibleType], optionalArgs: OptionalArgs<T>) => boolean;
    private readonly postPickupUpdateCollectible;
    private collectibleTypeChanged;
}
export {};
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