import type { LucidRow } from '@adonisjs/lucid/types/model';
import type { SlugifyStrategyContract } from '../types.js';
/**
 * The DbIncrementStrategy creates unique slugs by querying the similar
 * existing slugs inside the database and appends a counter to them.
 * For example: If there is already a slug called "hello-world", then
 * another slug with the value will become "hello-world-1" and so on.
 */
export declare class DbIncrementStrategy implements SlugifyStrategyContract {
    #private;
    maxLengthBuffer: number;
    constructor(config: {
        separator?: string;
    });
    /**
     * Converts an existing slug to a unique slug by inspecting the database
     */
    makeSlugUnique(modelInstance: LucidRow, field: string, slug: string): Promise<string>;
}