import { RollTemplateEntity } from '../../../domain/entities/roll-template-entity.js';
import { RollTemplateRepository } from '../../../ports/secondary/roll-template-repository.js';
/**
 * File-based implementation of the RollTemplateRepository interface.
 * Stores templates as JSON files in a specified directory.
 */
export declare class FileRollTemplateRepository implements RollTemplateRepository {
    private dataDir;
    /**
     * Creates a new FileRollTemplateRepository instance.
     * @param dataDir The directory where template files will be stored.
     */
    constructor(dataDir: string);
    /**
     * Initializes the repository by ensuring the data directory exists.
     */
    initialize(): Promise<void>;
    /**
     * Gets the file path for a template ID.
     * @param id The template ID.
     * @returns The file path.
     */
    private getFilePath;
    /**
     * Saves a template to the repository.
     * @param template The template to save.
     * @returns The ID of the saved template.
     */
    save(template: RollTemplateEntity): Promise<string>;
    /**
     * Gets a template by its ID.
     * @param id The ID of the template to get.
     * @returns The template, or null if not found.
     */
    getById(id: string): Promise<RollTemplateEntity | null>;
    /**
     * Updates an existing template.
     * @param template The updated template.
     * @throws Error if the template does not exist.
     */
    update(template: RollTemplateEntity): Promise<void>;
    /**
     * Lists templates based on optional filter criteria.
     * @param filter Optional filter criteria.
     * @returns An array of templates matching the filter.
     */
    list(filter?: Record<string, unknown>): Promise<RollTemplateEntity[]>;
    /**
     * Deletes a template by its ID.
     * @param id The ID of the template to delete.
     * @throws Error if the template does not exist.
     */
    delete(id: string): Promise<void>;
}