import { Document } from 'mongoose';
/**
 * Defines which array-type attributes of a document should be tracked,
 * along with human-readable labels for reporting.
 *
 * Only attributes of type `string[]` are tracked.
 *
 * Example:
 * { genres: "Genres", tags: "Tags" }
 */
type ReportCategoryAttributes<T extends Document> = Partial<{
    [K in keyof Omit<T, keyof Document> as T[K] extends string[] ? K : never]: string;
}>;
type ReportCategoryExport = Array<{
    id: string;
} & Record<string, number>>;
/**
 * ReportCategory
 *
 * Manages multiple AttributeAggregator instances, each associated
 * with a unique entity key (e.g., organization, category).
 * Provides methods to insert documents and export aggregated reports.
 *
 * @template T - A Mongoose document type with array attributes to track.
 */
export declare class ReportCategory<T extends Document> {
    private aggregators;
    private attributes;
    /**
     * Initializes the report manager with the attributes to track.
     *
     * @param attributes - Mapping of document array attributes to display labels.
     */
    constructor(attributes: ReportCategoryAttributes<T>);
    /**
     * Inserts a document into one or multiple entity aggregators.
     * Automatically creates the aggregator if it does not exist.
     *
     * @param document - The document to insert.
     * @param entityKeys - Single or multiple entity identifiers.
     */
    insertDocument(document: T, entityKeys: string[] | string): void;
    /**
     * Exports aggregated statistics for all entities.
     *
     * Each object contains:
     * - id: Entity key
     * - documents: Number of documents processed for this entity
     * - totalX / uniqueX: Aggregated counts for each tracked attribute
     *
     * @returns An array of aggregated reports for all entities.
     */
    export(): ReportCategoryExport;
}
export {};