import { IFilesRepository } from '../repositories/IFilesRepository';
import { UseCase } from '../../../core/domain/useCases/UseCase';
export declare class IsFileDeleted implements UseCase<boolean> {
    private readonly filesRepository;
    constructor(filesRepository: IFilesRepository);
    /**
     * Returns a boolean, indicating whether the file has been deleted or not.
     *
     * @param {number | string} [fileId] - The File identifier, which can be a string (for persistent identifiers), or a number (for numeric identifiers).
     * @returns {Promise<boolean>} - A boolean indicating whether the file has been deleted or not.
     */
    execute(fileId: number | string): Promise<boolean>;
}