/**
 * @file Preset validation utilities.
 * Provides utilities for validating u-he preset files (.h2p format).
 * Useful for tests and general preset validation.
 */
/**
 * Validates that a preset file exists and is readable
 */
export declare function validatePresetFileExists(filePath: string): boolean;
/**
 * Validates that a preset file has the correct extension
 */
export declare function validatePresetExtension(filePath: string): boolean;
/**
 * Validates that a preset file has content
 */
export declare function validatePresetHasContent(filePath: string): boolean;
/**
 * Validates that a preset can be parsed and is valid
 */
export declare function validatePresetParsable(filePath: string, binary?: boolean): boolean;
/**
 * Comprehensive preset validation
 *
 * Validates that:
 * - File exists and is readable
 * - File has .h2p extension
 * - File has content
 * - File can be parsed successfully
 * - Preset passes validation checks
 */
export declare function validatePreset(filePath: string, binary?: boolean): boolean;
/**
 * Validates multiple preset files
 *
 * @returns Object with validation results
 */
export declare function validatePresets(filePaths: string[], binary?: boolean): {
    valid: string[];
    invalid: string[];
    total: number;
};
/**
 * Finds all .h2p preset files in a directory (recursive)
 */
export declare function findPresetFiles(dir: string): string[];
/**
 * Gets the newest preset files by modification time
 */
export declare function getNewestPresetFiles(dir: string, count: number): string[];