import { META_KEY } from '../constants';
import { StringParams } from './common';
export interface ItemState {
    [key: string]: any;
}
export interface QueueItem {
    id: string;
    tabId?: string;
}
export declare type StateAndParamsMetaData = {
    queue: QueueItem[];
    version: number;
};
export declare type StateAndParamsMeta = {
    [META_KEY]: StateAndParamsMetaData;
};
export declare type ItemStateAndParams = {
    params?: StringParams;
    state?: ItemState;
};
export declare type ItemsStateAndParamsBase = Record<string, ItemStateAndParams>;
export declare type ItemsStateAndParams = ItemsStateAndParamsBase | StateAndParamsMeta;