import { BaseRelation } from './base_relation.js';
import type { MongoModel, MongoModelConstructor } from '../model/base_model.js';
import { ObjectId } from 'mongodb';
/**
 * BelongsToMany relationship for MongoDB
 * Handles many-to-many relationships through a pivot collection
 */
export declare class BelongsToMany extends BaseRelation {
    /**
     * The pivot model
     */
    protected pivotModel: MongoModelConstructor;
    /**
     * The foreign key on the pivot model that references the owner model
     */
    protected pivotForeignKey: string;
    /**
     * The foreign key on the pivot model that references the related model
     */
    protected pivotRelatedKey: string;
    constructor(relatedModel: MongoModelConstructor, ownerModel: MongoModel, pivotModel: MongoModelConstructor, pivotForeignKey?: string, pivotRelatedKey?: string, localKey?: string, relatedKey?: string);
    /**
     * Set up the relationship
     */
    setup(): Promise<void>;
    /**
     * Execute the relation query to get related models through the pivot
     */
    exec(): Promise<MongoModel[]>;
    /**
     * Attach one or more related models to the owner model
     */
    attach(ids: string[] | ObjectId[]): Promise<void>;
    /**
     * Attach related models with additional pivot data
     */
    attachWithPivotData(data: {
        id: string | ObjectId;
        pivotData?: Record<string, any>;
    }[]): Promise<void>;
    /**
     * Detach one or more related models from the owner model
     */
    detach(ids?: string[] | ObjectId[]): Promise<void>;
    /**
     * Sync the relationship by detaching all existing relations and attaching the given IDs
     */
    sync(ids: string[] | ObjectId[]): Promise<void>;
    /**
     * Sync the relationship with pivot data
     */
    syncWithPivotData(data: {
        id: string | ObjectId;
        pivotData?: Record<string, any>;
    }[]): Promise<void>;
    /**
     * Check if a relationship exists between the owner and the given related ID
     */
    exists(id: string | ObjectId): Promise<boolean>;
    /**
     * Get pivot data for a specific relation
     */
    pivotData(id: string | ObjectId): Promise<Record<string, any> | null>;
    /**
     * Update pivot data for a specific relation
     */
    updatePivotData(id: string | ObjectId, data: Record<string, any>): Promise<void>;
}