import { j as WalkedField } from "../types-BBQaEPfE.mjs";

//#region src/core/unionMatch.d.ts
/**
 * Pick the union option that structurally matches the supplied value.
 *
 * Heuristic only — picks by JavaScript typeof / array / object class. Returns
 * `undefined` when the value's shape doesn't correspond to any option (for
 * example a `null` value against a non-nullable union). Callers should
 * fall back to the first option or render an empty state in that case.
 */
declare function matchUnionOption(options: readonly WalkedField[], value: unknown): WalkedField | undefined;
/**
 * Resolution of a discriminated union against a concrete value. The renderer
 * uses `optionLabels` to title each tab, `activeIndex` to select the open
 * tab, and `activeOption` as the field to render below.
 */
interface DiscriminatedActive {
  readonly optionLabels: readonly string[];
  readonly activeIndex: number;
  readonly activeOption: WalkedField | undefined;
}
/**
 * Derive labels, active index, and active option for a discriminated union.
 *
 * For each option, the label is the discriminator property's `const` value
 * (when the option is an object with a literal discriminator) or, failing
 * that, the option's `meta.title` or its `type`. The active index is chosen
 * from the discriminator's value on `valueObject`; missing or non-matching
 * values fall back to index 0.
 *
 * Pure data transformation — no rendering concerns, no React imports.
 */
declare function resolveDiscriminatedActive(options: readonly WalkedField[], discriminator: string, valueObject: Record<string, unknown> | undefined): DiscriminatedActive;
//#endregion
export { DiscriminatedActive, matchUnionOption, resolveDiscriminatedActive };