import type { PluginLanguage } from '../types.js';
export interface RequiredFile {
    target: string;
    pattern: RegExp;
    optional?: boolean;
}
export declare function ensureDir(dir: string): Promise<void>;
export declare function findFile(targetDir: string, file: RequiredFile): Promise<string | null>;
export declare function detectLanguage(rootDir: string): Promise<PluginLanguage>;
export declare function copyPath(rootDir: string, source: string, dest: string, targetFilename?: string): Promise<void>;