import { FieldDescriptor } from 'types';
export declare const fieldRegistry: ReadonlyMap<string, FieldDescriptor>;
/**
 * Look up a descriptor by key, throwing when the key isn't registered.
 * A missing descriptor at a known lookup site is a typo — fail loud at
 * the call site instead of silently returning `undefined` (which masks
 * bugs as "not found, treat as default").
 */
export declare const resolveFieldDescriptor: (key: string) => FieldDescriptor;