import { z } from 'zod';
/**
 * Node extension schema — generic key-value data
 */
export declare const NodeExtensionSchema: z.ZodRecord<z.ZodString, z.ZodUnknown>;
/**
 * Extensions map schema — namespace to extension data
 *
 * Node schemas apply `.optional()` themselves when referencing this.
 */
export declare const ExtensionsMapSchema: z.ZodRecord<z.ZodString, z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>>;
//# sourceMappingURL=extensions.d.ts.map