apollo-link-http-common

const fallbackHttpConfig: {
    http: HttpQueryOptions;
    headers: { accept: string; 'content-type': string };
    options: { method: string };
};

checkFetcher: (
    fetcher: (input: RequestInfo, init?: RequestInit) => Promise<Response>
) => void;

createSignalIfSupported: () => { controller: any; signal: any };

parseAndCheckHttpResponse: (
    operations: any
) => (response: Response) => Promise<any>;

selectHttpOptionsAndBody: (
    operation: Operation,
    fallbackConfig: HttpConfig,
    ...configs: HttpConfig[]
) => { options: HttpConfig & Record<string, any>; body: Body };

selectURI: (
    operation: any,
    fallbackURI?: string | ((operation: Operation) => string)
) => any;

serializeFetchParameter: (p: any, label: any) => any;

throwServerError: (response: any, result: any, message: any) => never;

type ClientParseError = InvariantError & {
    parseError: Error;
};

type ServerError = Error & {
    response: Response;
    result: Record<string, any>;
    statusCode: number;
};

type ServerParseError = Error & {
    response: Response;
    statusCode: number;
    bodyText: string;
};