import { execute, subscribe, DocumentNode, GraphQLSchema, ExecutionResult } from 'graphql';
import type { Provider, Injector } from '../di';
import type { Resolvers, Module, MockedModule } from '../module/types';
import type { MiddlewareMap } from '../shared/middleware';
import type { ApolloRequestContext } from './apollo';
import type { Single } from '../shared/types';
import type { InternalAppContext } from './application';
type Execution = typeof execute;
type Subscription = typeof subscribe;
export type ApolloExecutor = (requestContext: ApolloRequestContext) => Promise<ExecutionResult>;
export interface MockedApplication extends Application {
    replaceModule(mockedModule: MockedModule): MockedApplication;
    addProviders(providers: ApplicationConfig['providers']): MockedApplication;
}
/**
 * @api
 * A return type of `createApplication` function.
 */
export interface Application {
    /**
     * A list of type definitions defined by modules.
     */
    readonly typeDefs: DocumentNode[];
    /**
     * An object with resolve functions defined by modules.
     */
    readonly resolvers?: Single<Resolvers>;
    /**
     * Ready to use GraphQLSchema object combined from modules.
     */
    readonly schema: GraphQLSchema;
    /**
     * The application (Singleton) injector.
     */
    readonly injector: Injector;
    /**
     * Take over control of GraphQL Operation
     */
    createOperationController(input: {
        context: any;
        autoDestroy?: boolean;
    }): OperationController;
    /**
     * Creates a `subscribe` function that runs the subscription phase of GraphQL.
     * Important when using GraphQL Subscriptions.
     */
    createSubscription(options?: {
        subscribe?: typeof subscribe;
        controller?: OperationController;
    }): Subscription;
    /**
     * Creates a `execute` function that runs the execution phase of GraphQL.
     * Important when using GraphQL Queries and Mutations.
     */
    createExecution(options?: {
        execute?: typeof execute;
        controller?: OperationController;
    }): Execution;
    /**
     * @deprecated Use `createApolloExecutor`, `createExecution` and `createSubscription` methods instead.
     */
    createSchemaForApollo(): GraphQLSchema;
    /**
     * Experimental
     */
    createApolloExecutor(options?: {
        controller?: OperationController;
    }): ApolloExecutor;
    /**
     * @internal
     */
    ɵfactory(config?: ApplicationConfig | undefined): Application;
    /**
     * @internal
     */
    ɵconfig: ApplicationConfig;
}
export interface OperationController {
    /**
     * Destroys
     */
    destroy(): void;
    /**
     * @internal
     */
    ɵdestroy(): void;
    context: InternalAppContext;
    /**
     * Operation Injector (application)
     */
    injector: Injector;
}
/**
 * @api
 * Application's configuration object. Represents the first argument of `createApplication` function.
 */
export interface ApplicationConfig {
    /**
     * A list of GraphQL Modules
     */
    modules: Module[];
    /**
     * A list of Providers - read the ["Providers and Tokens"](./di/providers) chapter.
     */
    providers?: Provider[] | (() => Provider[]);
    /**
     * A map of middlewares - read the ["Middlewares"](./advanced/middlewares) chapter.
     */
    middlewares?: MiddlewareMap;
    /**
     * Creates a GraphQLSchema object out of typeDefs and resolvers
     *
     * @example
     *
     * ```typescript
     * import { createApplication } from 'graphql-modules';
     * import { makeExecutableSchema } from '@graphql-tools/schema';
     *
     * const app = createApplication({
     *   modules: [],
     *   schemaBuilder: makeExecutableSchema
     * })
     * ```
     */
    schemaBuilder?(input: {
        typeDefs: DocumentNode[];
        resolvers: Record<string, any>[];
    }): GraphQLSchema;
}
export {};