import type { GraphQLSchema } from 'graphql';
import type { ExecutionContext, Environment, Middleware, Handler } from './types';
export declare class EdgeQL {
    private schemas;
    private graph;
    private middlewares;
    fetch: (request: Request, env?: Environment, exeContext?: ExecutionContext) => Promise<Response>;
    private execute;
    use(fn: Middleware): void;
    handle(schema: GraphQLSchema): void;
    handle(schema: string, handler: Handler): void;
    handle(schema: string, handlers: Record<string, Handler>): void;
}