import { Tree } from '@nx/devkit';
/**
 * Shared utilities for working with NX Tree API across generators
 */
export declare class TreeUtils {
    /**
     * Find a matching subdirectory based on a pattern (number, name, or full identifier)
     * Supports patterns like: "010", "auth", "010_auth", etc.
     */
    static findMatchingSubdirectory(tree: Tree, basePath: string, pattern: string): string | null;
    /**
     * Get the next migration number for a module using Tree API
     */
    static getNextMigrationNumber(tree: Tree, modulePath: string): string;
    /**
     * Get all migration files from a module directory using Tree API
     */
    static getMigrationFiles(tree: Tree, modulePath: string): string[];
    /**
     * Check if a path exists and is a directory using Tree API
     */
    static isDirectory(tree: Tree, dirPath: string): boolean;
    /**
     * Ensure a directory exists in the Tree (creates if needed)
     */
    static ensureDirectory(tree: Tree, dirPath: string): void;
    /**
     * Copy files from source to destination using Tree API
     */
    static copyFiles(tree: Tree, sourcePath: string, destPath: string, fileFilter?: (filename: string) => boolean): void;
    /**
     * Get all subdirectories matching a pattern using Tree API
     */
    static getMatchingDirectories(tree: Tree, basePath: string, pattern: RegExp): string[];
    /**
     * Read and parse JSON file using Tree API
     */
    static readJsonFile<T = unknown>(tree: Tree, filePath: string): T | null;
    /**
     * Write JSON file using Tree API
     */
    static writeJsonFile(tree: Tree, filePath: string, data: unknown): void;
    /**
     * Find all module directories in a migrations path
     */
    static findModuleDirectories(tree: Tree, migrationsPath: string): Array<{
        name: string;
        path: string;
    }>;
}