import { AsyncIteratorClass } from '@orpc/shared';
import { AnyProcedure, AnyRouter, inferRouterContext } from '@trpc/server';
import { inferRouterMeta } from '@trpc/server/unstable-core-do-not-import';
import * as ORPC from '@orpc/server';

interface ORPCMeta {
    route?: ORPC.Route;
}
type ToORPCOutput<T> = T extends AsyncIterable<infer TData, infer TReturn, infer TNext> ? AsyncIteratorClass<TData, TReturn, TNext> : T;
type ToORPCRouterResult<TContext extends ORPC.Context, TMeta extends ORPC.Meta, TRecord extends Record<string, any>> = {
    [K in keyof TRecord]: TRecord[K] extends AnyProcedure ? ORPC.Procedure<TContext, object, ORPC.Schema<TRecord[K]['_def']['$types']['input'], unknown>, ORPC.Schema<unknown, ToORPCOutput<TRecord[K]['_def']['$types']['output']>>, object, TMeta> : TRecord[K] extends Record<string, any> ? ToORPCRouterResult<TContext, TMeta, TRecord[K]> : never;
};
/**
 * Convert a tRPC router to an oRPC router.
 *
 * @warning You should set the `meta` type to `ORPCMeta` when creating your tRPC builder, to ensure OpenAPI features work correctly.
 */
declare function toORPCRouter<T extends AnyRouter>(router: T): ToORPCRouterResult<inferRouterContext<T>, inferRouterMeta<T>, T['_def']['record']>;

export { toORPCRouter };
export type { ORPCMeta, ToORPCOutput, ToORPCRouterResult };