import { PubSub } from "graphql-subscriptions";
import { PostGraphilePlugin } from "postgraphile";
declare module "postgraphile" {
    interface PostGraphileOptions {
        simpleSubscriptions?: boolean;
        subscriptionAuthorizationFunction?: string;
        subscriptionEventEmitterMaxListeners?: number;
    }
}
declare module "graphile-build" {
    interface Options {
        pubsub: PubSub;
    }
}
declare const plugin: PostGraphilePlugin;
export default plugin;