import { GraphQLSchema, GraphQLScalarType, DocumentNode } from 'graphql';
import { MeshFetch, MeshPubSub, Logger, KeyValueCache } from '@graphql-mesh/types';
import { MaybePromise, Executor } from '@graphql-tools/utils';
export { Executor } from '@graphql-tools/utils';
export { createDefaultExecutor } from '@graphql-tools/delegate';
export { getDocumentString } from '@envelop/core';

interface Transport<Options extends Record<string, any> = Record<string, any>> {
    getSubgraphExecutor: TransportGetSubgraphExecutor<Options>;
}
interface TransportEntry<Options extends Record<string, any> = Record<string, any>> {
    kind: string;
    subgraph: string;
    location?: string;
    headers?: [string, string][];
    options?: Options;
}
interface TransportContext {
    fetch?: MeshFetch;
    pubsub?: MeshPubSub;
    logger?: Logger;
    cwd?: string;
    cache?: KeyValueCache;
}
interface TransportGetSubgraphExecutorOptions<Options extends Record<string, any> = Record<string, any>> extends TransportContext {
    subgraphName: string;
    transportEntry: TransportEntry<Options>;
    getTransportExecutor(transportEntry: TransportEntry): MaybePromise<Executor>;
    subgraph: GraphQLSchema;
}
type TransportExecutorFactoryGetter = (kind: string) => MaybePromise<TransportGetSubgraphExecutor>;
type TransportGetSubgraphExecutor<Options extends Record<string, any> = Record<string, any>> = (opts: TransportGetSubgraphExecutorOptions<Options>) => MaybePromise<Executor>;
type DisposableExecutor = Executor & Partial<Disposable | AsyncDisposable>;
interface UpstreamErrorExtensions {
    subgraph?: string;
    request: {
        url?: string;
        method?: string;
        body?: unknown;
    };
    response: {
        status?: number;
        statusText?: string;
        headers?: Record<string, string>;
        body?: unknown;
    };
}

declare const ObjMapScalar: GraphQLScalarType<any, string>;

declare const defaultPrintFn: (document: DocumentNode) => string;

export { type DisposableExecutor, ObjMapScalar, type Transport, type TransportContext, type TransportEntry, type TransportExecutorFactoryGetter, type TransportGetSubgraphExecutor, type TransportGetSubgraphExecutorOptions, type UpstreamErrorExtensions, defaultPrintFn };