/**
 * Registers the `multiSelect` column type in the core column-type registry so core hydration
 * resolves its colDef defaults. Called at module load from the Pro/Premium grid component modules
 * (whose hook exports are used, so bundlers always evaluate them) — never from the community
 * bundle. `registerGridColumnTypes` is idempotent, so repeated calls are safe.
 */
export declare function registerMultiSelectColumnType(): void;