import { HttpRouter } from 'effect/http';
import { type HttpApi } from 'effect/http-api';
import type { EffectBffOpenApiConfig } from './types.js';
export declare function createOpenApiLayer(api: HttpApi.Constraint, openapi: EffectBffOpenApiConfig | undefined): import("effect/Layer").Layer<never, never, HttpRouter.HttpRouter> | null;