/**
 * FileSystemService - Handles all file system operations for templates
 * Decoupled from business logic, only handles raw file operations
 */
import { EventEmitter } from 'node:events';
import type { Stats } from 'node:fs';
export interface FileSystemConfig {
    baseDir: string;
    templateDir: string;
    filter: string;
    migrationDir: string;
    watchOptions?: {
        ignoreInitial?: boolean;
        stabilityThreshold?: number;
        pollInterval?: number;
    };
}
export interface TemplateFile {
    path: string;
    name: string;
    content: string;
    hash: string;
    relativePath: string;
}
export interface WatchEvent {
    type: 'added' | 'changed' | 'removed';
    path: string;
    relativePath: string;
    name: string;
}
export declare class FileSystemService extends EventEmitter {
    private config;
    private watcher;
    private debouncedHandlers;
    constructor(config: FileSystemConfig);
    /**
     * Find all template files matching the configured pattern
     */
    findTemplates(): Promise<string[]>;
    /**
     * Read a template file and return its content with metadata
     */
    readTemplate(templatePath: string): Promise<TemplateFile>;
    /**
     * Check if a file exists
     */
    fileExists(filePath: string): Promise<boolean>;
    /**
     * Write content to a file
     */
    writeFile(filePath: string, content: string): Promise<void>;
    /**
     * Delete a file
     */
    deleteFile(filePath: string): Promise<void>;
    /**
     * Rename a file
     */
    renameFile(oldPath: string, newPath: string): Promise<void>;
    /**
     * Get file stats
     */
    getFileStats(filePath: string): Promise<Stats>;
    /**
     * Calculate MD5 hash of content
     * Normalizes line endings to LF for cross-platform consistency
     * (Fix contributed by @louisandred - https://github.com/t1mmen/srtd/pull/42)
     */
    private calculateHash;
    /**
     * Watch templates for changes
     */
    watchTemplates(): Promise<void>;
    /**
     * Stop watching templates
     */
    stopWatching(): Promise<void>;
    /**
     * Emit watch event with debouncing
     */
    private debouncedEmit;
    /**
     * Emit a watch event
     */
    private emitWatchEvent;
    /**
     * Clean up resources
     */
    dispose(): Promise<void>;
    /**
     * Get migration file path for a template
     */
    getMigrationPath(templateName: string, timestamp: string): string;
    /**
     * List all migration files
     */
    listMigrations(): Promise<string[]>;
    /**
     * Read a migration file
     */
    readMigration(migrationPath: string): Promise<string>;
}