diff --git a/table/src/-private/-type-tests/public-option-types.test.ts b/table/src/-private/-type-tests/public-option-types.test.ts
new file mode 100644
index 0000000..161e471
--- /dev/null
+++ b/table/src/-private/-type-tests/public-option-types.test.ts
@@ -0,0 +1,22 @@
+import { expectTypeOf } from 'expect-type';
+
+import type { CellContext, CellOptions, CellOptionsOf } from '../../index.ts';
+
+interface Person {
+  name: string;
+}
+
+// An app writing an `options` callback names what it must return.
+const options = (_context: CellContext<Person>): CellOptions => ({
+  defaultValue: '--',
+  unit: 'years',
+});
+
+expectTypeOf(options).returns.toEqualTypeOf<CellOptions>();
+
+// And code that takes what `getOptionsForRow` gives a Cell names that.
+interface UnitCellArgs {
+  options: { unit: string };
+}
+
+expectTypeOf<CellOptionsOf<UnitCellArgs>>().toEqualTypeOf<{ unit: string }>();
diff --git a/table/src/index.ts b/table/src/index.ts
index af8b79b..3bc8f27 100644
--- a/table/src/index.ts
+++ b/table/src/index.ts
@@ -11,8 +11,10 @@ export { deserializeSorts, serializeSorts } from './utils.ts';
  * Public Types
  *******************************/
 export type { Column } from './-private/column.ts';
+export type { CellOptionsOf } from './-private/meta.ts';
 export type {
   CellContext,
+  CellOptions,
   ColumnConfig,
   ColumnKey,
   HeadlessTableConfig,