export declare type Id = string;
export declare type Ids = string[];
export interface IEntity {
    id: Id;
}
export interface IEntityMap {
    [key: string]: IEntity;
}
export interface INorm {
    ids: Ids;
    entities: IEntityMap;
}
declare const _default: {
    create: () => INorm;
    fromArray: (array: IEntity[]) => INorm;
    pickFrom: (norm: INorm, ids: string[]) => {
        entities: {};
        ids: string[];
    };
    remove: (norm: INorm, entityIdOrIds: string | string[]) => INorm;
    toArray: (arg1: string[] | INorm, arg2?: IEntityMap | undefined) => IEntity[];
    upsert: (norm: INorm, entityOrEntities: IEntity | IEntity[], { merge }?: {
        merge?: boolean | undefined;
    }) => {
        entities: {
            [x: string]: IEntity;
        };
        ids: string[];
    };
};
export default _default;