import { BaseValidator } from './baseValidator';
import { ValidationResult } from './validationTypes';
import { FileAdapter } from '../utils/io';
/**
 * Validator for Open Board Format (OBF/OBZ) files
 */
export declare class ObfValidator extends BaseValidator {
    constructor();
    /**
     * Validate an OBF file from disk
     */
    static validateFile(filePath: string, fileAdapter?: FileAdapter): Promise<ValidationResult>;
    /**
     * Check if content is OBF format
     */
    static identifyFormat(content: any, filename: string): Promise<boolean>;
    /**
     * Main validation method
     */
    validate(content: Buffer | Uint8Array, filename: string, filesize: number): Promise<ValidationResult>;
    /**
     * Validate OBF content
     */
    private validateObf;
    /**
     * Validate OBZ (zip) content
     */
    private validateObz;
    /**
     * Validate OBF board structure
     */
    private validateBoardStructure;
    /**
     * Validate a single button
     */
    private validateButton;
    /**
     * Validate OBZ structure
     */
    private validateObzStructure;
    /**
     * Validate manifest structure
     */
    private validateManifest;
}