import { type Type } from '@nestjs/common';
import { ModulesContainer } from '@nestjs/core';
import { ExternalContextCreator } from '@nestjs/core/helpers/external-context-creator.js';
import type { InstanceWrapper } from '@nestjs/core/injector/instance-wrapper.js';
import type { Module } from '@nestjs/core/injector/module.js';
/**
 * Factory class that wraps Opra controllers into NestJS controllers.
 */
export declare class RpcControllerFactory {
    private readonly modulesContainer;
    private readonly externalContextCreator;
    protected _metadataKey: symbol;
    private _coreModuleRef?;
    private readonly paramsFactory;
    private readonly injector;
    constructor(modulesContainer: ModulesContainer, externalContextCreator: ExternalContextCreator);
    /**
     * Wraps and returns the controllers as NestJS compatible classes.
     *
     * @returns An array of NestJS compatible controller classes.
     */
    wrapControllers(): Type[];
    /**
     * Creates a context callback for a controller method.
     *
     * @param instance - The controller instance.
     * @param wrapper - The instance wrapper.
     * @param moduleRef - The module reference.
     * @param methodName - The name of the method to wrap.
     * @param isRequestScoped - Whether the controller is request-scoped.
     * @param contextType - The NestJS context type.
     * @param options - Optional external context options.
     * @returns A callback function that handles the execution context.
     */
    private _createContextCallback;
    /**
     * Registers a context provider for the given request and context ID.
     *
     * @param request - The request object (Opra execution context).
     * @param contextId - The NestJS context ID.
     */
    private registerContextProvider;
    /**
     * Explores and returns all Opra controllers within the NestJS application.
     *
     * @returns An array of objects containing the module and instance wrapper for each controller.
     */
    exploreControllers(): {
        module: Module;
        wrapper: InstanceWrapper;
    }[];
}