import { ExecutionResult } from './genql/runtime/_types.cjs';
import { GraphqlOperation } from './genql/runtime/_generate-graphql-operation.cjs';
import { replaceSystemAliases } from './genql/runtime/_aliasing.cjs';
import { FieldsSelection } from './genql/runtime/_type-selection.cjs';
import { GraphQLExact, StripAllArgs } from './type-helpers.cjs';

interface Fetcher {
    (gql: GraphqlOperation, extraFetchOptions?: Partial<RequestInit>): Promise<any>;
}
type BatchOptions = {
    batchInterval?: number;
    maxBatchSize?: number;
};
declare const createFetcher: ({ url, headers, fetcher, fetch: _fetch, batch, ...rest }: ClientOptions) => Fetcher;

type Headers = HeadersInit | (() => HeadersInit) | (() => Promise<HeadersInit>);
type BaseFetcher = (operation: GraphqlOperation | GraphqlOperation[], extraFetchOptions?: Partial<RequestInit>) => Promise<ExecutionResult | ExecutionResult[]>;
type ClientOptions = Omit<RequestInit, "body" | "headers"> & {
    url?: string;
    batch?: BatchOptions | boolean;
    fetcher?: BaseFetcher;
    fetch?: (input: RequestInfo | URL, init?: RequestInit) => Promise<Response>;
    headers?: Headers;
    getExtraFetchOptions?: (op: "query" | "mutation", body: GraphqlOperation, originalRequest: any) => Partial<RequestInit> | Promise<Partial<RequestInit>>;
};
type GetClient<Q extends Record<string, any> = Record<string, any>, QSel extends Record<string, any> = Record<string, any>, M extends Record<string, any> = Record<string, any>, MSel extends Record<string, any> = Record<string, any>> = {
    query<R extends QSel>(request: R & GraphQLExact<StripAllArgs<QSel>, R>): Promise<FieldsSelection<Q, R>>;
    mutation<R extends MSel>(request: R & GraphQLExact<StripAllArgs<MSel>, R>): Promise<FieldsSelection<M, R>>;
};
declare const createClient: {
    <Q extends Record<string, any> = Record<string, any>, QSel extends Record<string, any> = Record<string, any>, M extends Record<string, any> = Record<string, any>, MSel extends Record<string, any> = Record<string, any>>({ getExtraFetchOptions, ...options }: ClientOptions): GetClient<Q, QSel, M, MSel>;
    replaceSystemAliases: typeof replaceSystemAliases;
};

export { type BatchOptions as B, type ClientOptions as C, type Fetcher as F, type GetClient as G, type Headers as H, type BaseFetcher as a, createClient as b, createFetcher as c };