export function sanitizeWorldId(worldId: unknown): string;
export function defaultWorldDirRel(worldId: unknown): string;
export function buildWorldChunkFileName(chunkX: unknown, chunkY: unknown): string;
export function getWorldStoragePaths(
  contentRoot: string,
  worldEntryOrId: string | { id?: unknown; worldDir?: unknown },
): {
  worldId: string;
  worldDirRel: string;
  worldDirAbs: string;
  worldJsonRel: string;
  worldJsonAbs: string;
  bookmarksRel: string;
  bookmarksAbs: string;
  chunksDirRel: string;
  chunksDirAbs: string;
};
export function normalizeWorldIndexEntry(entry: { id?: unknown; name?: unknown; worldDir?: unknown } | null | undefined): {
  id: string;
  name: string;
  worldDir: string;
};
export function normalizeWorldIndexPayload(payload: unknown): {
  schemaVersion: number;
  worlds: Array<{
    id: string;
    name: string;
    worldDir: string;
  }>;
};
export function normalizeWorldBookmark(entry: { id?: unknown; label?: unknown; x?: unknown; y?: unknown } | null | undefined, index?: number): {
  id: string;
  label: string;
  x: number;
  y: number;
};