import { GraphQLFieldResolver, GraphQLTypeResolver } from 'graphql';
import { Injector } from '../di';
export type ID = string;
export type Nil = undefined | null;
export type Maybe<T> = T | Nil;
export type Plural<T> = T | T[];
export type Single<T> = T extends Array<infer R> ? R : T;
export type ValueOrPromise<T> = T | Promise<T>;
export type ResolveFn<TContext = GraphQLModules.Context> = GraphQLFieldResolver<any, TContext, Record<string, any>>;
export type ResolveTypeFn<TContext = GraphQLModules.Context> = GraphQLTypeResolver<any, TContext>;
declare global {
    namespace GraphQLModules {
        type ModuleContext = {
            injector: Injector;
            moduleId: ID;
        } & GlobalContext;
        type AppContext = Omit<ModuleContext, 'moduleId'>;
        type Context = ModuleContext;
        interface GlobalContext {
        }
    }
}