import { type BatchOptions } from './_fetcher';
import type { ExecutionResult, LinkedType } from './_types';
import { type GraphqlOperation } from './_generate-graphql-operation';
export type Headers = HeadersInit | (() => HeadersInit) | (() => Promise<HeadersInit>);
export type BaseFetcher = (operation: GraphqlOperation | GraphqlOperation[]) => Promise<ExecutionResult | ExecutionResult[]>;
export type ClientOptions = Omit<RequestInit, 'body' | 'headers'> & {
    url?: string;
    batch?: BatchOptions | boolean;
    fetcher?: BaseFetcher;
    fetch?: Function;
    headers?: Headers;
};
export declare const createClient: ({ queryRoot, mutationRoot, subscriptionRoot, ...options }: Omit<RequestInit, "headers" | "body"> & {
    url?: string | undefined;
    batch?: boolean | BatchOptions | undefined;
    fetcher?: BaseFetcher | undefined;
    fetch?: Function | undefined;
    headers?: Headers | undefined;
} & {
    queryRoot?: LinkedType | undefined;
    mutationRoot?: LinkedType | undefined;
    subscriptionRoot?: LinkedType | undefined;
}) => any;
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