import { z } from 'zod';
export declare const ExternalErrorCode: z.ZodUnion<[z.ZodLiteral<"invalid_payload">, z.ZodLiteral<"invalid_params">, z.ZodLiteral<"invalid_query_params">, z.ZodLiteral<"unknown_error">]>;
export type ExternalErrorCode = z.infer<typeof ExternalErrorCode>;