import { BaseValidator } from './baseValidator';
import { ValidationResult } from './validationTypes';
import { FileAdapter } from '../utils/io';
/**
 * Validator for Snap files (.spb, .sps)
 * Snap files are zipped packages containing XML configuration
 */
export declare class SnapValidator extends BaseValidator {
    constructor();
    /**
     * Validate a Snap file from disk
     */
    static validateFile(filePath: string, fileAdapter?: FileAdapter): Promise<ValidationResult>;
    /**
     * Check if content is Snap format
     */
    static identifyFormat(content: any, filename: string): Promise<boolean>;
    /**
     * Main validation method
     */
    validate(content: Buffer | Uint8Array, filename: string, filesize: number): Promise<ValidationResult>;
    /**
     * Validate Snap package structure
     */
    private validateSnapStructure;
    private isSQLiteBuffer;
    private validateSqliteStructure;
    /**
     * Validate the main settings file
     */
    private validateSettingsFile;
    /**
     * Validate a page file
     */
    private validatePageFile;
}