export type RelativePathErrorReason = "empty" | "absolute" | "traversal";
export type ManifestPath = {
    readonly kind: "relative";
    readonly path: string;
} | {
    readonly kind: "absolute";
    readonly path: string;
};
export declare class RelativePathError extends Error {
    readonly reason: RelativePathErrorReason;
    constructor(reason: RelativePathErrorReason);
}
/**
 * Produces a platform-independent repository-relative path without resolving
 * filesystem links. Input values are intentionally omitted from errors.
 */
export declare function normalizeRelativePath(input: string): string;
/**
 * Normalizes one manifest path without weakening repository-relative path handling elsewhere.
 * Absolute entries use forward slashes for stable identity on every host; traversal remains an
 * error instead of being resolved away.
 */
export declare function normalizeManifestPath(input: string): ManifestPath;