DefinitelyTyped/types/nodegit/fetch-options.d.ts

import { RemoteCallbacks } from './remote-callbacks';
import { Strarray } from './str-array';

export interface FetchOptions {
    version?: number;
    callbacks?: RemoteCallbacks;
    prune?: number;
    updateFetchhead?: number;
    downloadTags?: number;
    customHeaders?: Strarray | string | string[];
    proxyOpts?: any;
    [key: string]: any;
}