export { sanitizePathComponent } from "../../utils/path-sanitize";
/**
 * Check whether a target path is contained within a base directory.
 * Both paths are resolved to absolute before comparison.
 */
export declare function isPathWithinBase(basePath: string, targetPath: string): boolean;
/**
 * Sanitize components, join them to a base path, and verify the result
 * stays within the base directory. Throws PathTraversalError on escape.
 */
export declare function validateAndJoinPath(basePath: string, ...components: string[]): string;
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