import { firebase, Logger } from '../core';
export declare class CategoriesService {
    private readonly store;
    private readonly logger;
    private idToNameMap;
    readonly categoriesCollection: firebase.firestore.CollectionReference;
    constructor(store: firebase.firestore.Firestore, logger: Logger);
    private receiveCategorySnap;
    getCategoryNameByIdField(id: string): string | undefined;
}