import type { MongoModelConstructor } from '../model/base_model.js';
/**
 * Define a hasOne relationship
 */
export declare function hasOne(relatedModel: () => MongoModelConstructor, foreignKey?: string, localKey?: string): PropertyDecorator;
/**
 * Define a hasMany relationship
 */
export declare function hasMany(relatedModel: () => MongoModelConstructor, foreignKey?: string, localKey?: string): PropertyDecorator;
/**
 * Define a belongsTo relationship
 */
export declare function belongsTo(relatedModel: () => MongoModelConstructor, foreignKey?: string, localKey?: string): PropertyDecorator;
/**
 * Define a belongsToMany relationship
 */
export declare function belongsToMany(relatedModel: () => MongoModelConstructor, pivotModel: () => MongoModelConstructor, pivotForeignKey?: string, pivotRelatedKey?: string, localKey?: string, relatedKey?: string): PropertyDecorator;