/**
* Normalize a marking property's cell value into a string[] of marking ids.
* Marking properties may arrive as a single string (single-valued) or
* string[] (multi-valued); null/undefined become an empty array.
*
* Duplicates are removed so callers (e.g. per-marking pill renderers) can
* safely use the marking id as a React key.
*/
export declare function toMarkingIdArray(value: unknown): string[];
