/**
 * @athenna/database
 *
 * (c) João Lenon <lenon@athenna.io>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
import type { BelongsToOptions } from '#src/types';
import type { BaseModel } from '#src/models/BaseModel';
export declare class BelongsToRelation {
    /**
     * Get the options with defined default values.
     */
    private static options;
    /**
     * Load a belongs to relation.
     */
    static load(model: BaseModel, relation: BelongsToOptions): Promise<any>;
    /**
     * Load all models that belongs to relation.
     */
    static loadAll(models: BaseModel[], relation: BelongsToOptions): Promise<any[]>;
}