import { BaseValidator } from './baseValidator';
import { ValidationResult } from './validationTypes';
import { FileAdapter } from '../utils/io';
/**
 * Validator for Grid3/Smartbox Gridset files (.gridset, .gridsetx)
 */
export declare class GridsetValidator extends BaseValidator {
    constructor();
    /**
     * Validate a Gridset file from disk
     */
    static validateFile(filePath: string, fileAdapter?: FileAdapter): Promise<ValidationResult>;
    /**
     * Check if content is Gridset format
     */
    static identifyFormat(content: any, filename: string): Promise<boolean>;
    /**
     * Main validation method
     */
    validate(content: Buffer | Uint8Array, filename: string, filesize: number): Promise<ValidationResult>;
    /**
     * Check if the buffer is a zip archive
     */
    private isZip;
    /**
     * Validate a single grid.xml file (exploded/non-zip format)
     */
    private validateSingleXml;
    /**
     * Validate a ZIP archive (.gridset)
     *
     * Real Grid 3 archives do NOT contain a top-level gridset.xml. The required
     * structure is: Settings0/settings.xml + FileMap.xml + Grids/<name>/grid.xml
     * (+ optional Styles, images, thumbnails).
     */
    private validateZipArchive;
    /**
     * Validate a real Grid 3 <Grid> element (from grid.xml).
     * Checks for GridGuid, Cells, and basic cell structure.
     */
    private validateGridStructure;
}