/** Single path segment for asset ids (no slashes or traversal). */
export declare const ASSET_ID_PATTERN: RegExp;
/** Relative registry paths like `skills/foo` or `skills/foo/bar`. */
export declare const RELATIVE_ASSET_PATH_PATTERN: RegExp;
export declare function isSafeAssetId(id: string): boolean;
export declare function assertSafeAssetId(id: string, label?: string): string;
/**
 * Normalize and validate a registry-relative asset path (forward slashes only).
 * Rejects absolute paths, `..`, empty segments, and backslashes.
 */
export declare function assertSafeRelativePath(rel: string, label?: string): string;
/**
 * Ensure `candidate` resolves inside `root` (or equals root).
 * Returns the resolved candidate path.
 */
export declare function assertPathInside(root: string, candidate: string, label?: string): string;
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