import { DocumentNode } from 'graphql';
import { HttpHeaders } from '@angular/common/http';
import { Operation } from '@apollo/client/core';
export type HttpRequestOptions = {
    headers?: HttpHeaders;
    withCredentials?: boolean;
    useMultipart?: boolean;
};
export type URIFunction = (operation: Operation) => string;
export type FetchOptions = {
    method?: string;
    uri?: string | URIFunction;
    includeExtensions?: boolean;
    includeQuery?: boolean;
};
export type OperationPrinter = (operation: DocumentNode) => string;
export interface Options extends FetchOptions, HttpRequestOptions {
    operationPrinter?: OperationPrinter;
    useGETForQueries?: boolean;
    extractFiles?: ExtractFiles;
}
export type Body = {
    query?: string;
    variables?: Record<string, any>;
    operationName?: string;
    extensions?: Record<string, any>;
};
export interface Context extends FetchOptions, HttpRequestOptions {
}
export type Request = {
    method: string;
    url: string;
    body: Body | Body[];
    options: HttpRequestOptions;
};
export type ExtractFiles = (body: Body | Body[]) => {
    clone: Body;
    files: Map<any, any>;
};
export type BatchOptions = {
    batchMax?: number;
    batchInterval?: number;
    batchKey?: (operation: Operation) => string;
} & Options;