import type { FileNode } from '../types/index.js';
export declare function readFileContent(filePath: string): Promise<string>;
export declare function fileExists(filePath: string): Promise<boolean>;
export declare function getFileStats(filePath: string): Promise<{
    size: number;
    lines: number;
}>;
export declare function getFileExtension(filePath: string): string;
export declare function detectLanguage(filePath: string): string;
export declare function findFiles(directory: string, pattern: string | string[], options?: {
    ignore?: string[];
}): Promise<string[]>;
export declare function buildFileTree(directory: string, maxDepth?: number, currentDepth?: number): Promise<FileNode[]>;
export declare function getDirectorySize(directory: string): Promise<number>;
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