type ResponseKey = string | number | symbol;
/** A bounded path through a normalized Yahoo response envelope. */
export type ResponsePath = readonly [ResponseKey] | readonly [ResponseKey, ResponseKey] | readonly [ResponseKey, ResponseKey, ResponseKey] | readonly [ResponseKey, ResponseKey, ResponseKey, ResponseKey] | readonly [
    ResponseKey,
    ResponseKey,
    ResponseKey,
    ResponseKey,
    ResponseKey
] | readonly [
    ResponseKey,
    ResponseKey,
    ResponseKey,
    ResponseKey,
    ResponseKey,
    ResponseKey
];
type RequireOnePath<TValue, TPath extends ResponsePath> = TPath extends readonly [infer TKey extends ResponseKey, ...infer TRest] ? NonNullable<TValue> extends readonly (infer TItem)[] ? NonNullable<TValue> extends unknown[] ? Array<RequireOnePath<TItem, TPath>> : ReadonlyArray<RequireOnePath<TItem, TPath>> : TKey extends keyof NonNullable<TValue> ? Omit<NonNullable<TValue>, TKey> & {
    [TRequiredKey in TKey]-?: TRest extends ResponsePath ? RequireOnePath<NonNullable<TValue>[TRequiredKey], TRest> : NonNullable<NonNullable<TValue>[TRequiredKey]>;
} : never : NonNullable<TValue>;
type UnionToIntersection<TValue> = (TValue extends TValue ? (value: TValue) => void : never) extends (value: infer TIntersection) => void ? TIntersection : never;
/**
 * Requires one or more known paths while retaining the complete root envelope.
 * A union of paths is expanded as an intersection, supporting multi-include calls.
 */
export type RequireResponsePath<TRoot, TPath extends ResponsePath> = UnionToIntersection<TPath extends TPath ? RequireOnePath<TRoot, TPath> : never>;
export type AppendResponsePath<TPath extends ResponsePath, TKey extends ResponseKey> = TPath extends TPath ? readonly [...TPath, TKey] extends ResponsePath ? readonly [...TPath, TKey] : never : never;
export {};
//# sourceMappingURL=response-contract.d.ts.map