import type { Stats } from 'node:fs';
export declare function validateProjectPath(input: string): boolean;
export declare function ensureDirectoryExists(dirPath: string): Promise<void>;
export declare function checkWritePermission(targetPath: string): Promise<boolean>;
export declare function getFileHash(filePath: string): Promise<string>;
export declare function needsUpdate(source: string, target: string): Promise<boolean>;
export declare function copyFileWithBackup(source: string, target: string, backup?: boolean, onConflict?: (source: string, target: string) => Promise<boolean>): Promise<void>;
export declare function pathExists(filePath: string): Promise<boolean>;
export declare function getFileStats(filePath: string): Promise<Stats | null>;
export declare function safeRemove(filePath: string): Promise<boolean>;
export declare function expandHomePath(filePath: string): string;
export declare function normalizePath(filePath: string): string;
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