// @flow

declare type Basic = {
	type: "basic";
	username: string;
	password: string;
};

declare type OAuthWithToken = {
	type: "oauth";
	token: string;
};

declare type OAuthWithSecret = {
	type: "oauth";
	key: string;
	secret: string;
};

declare type Auth = Basic | OAuthWithToken | OAuthWithSecret;

declare type Github = any;

export type Uri = string;

export type Options = {
	auth?: Auth;
	branch?: string;
	client?: Github;
};

declare export default function getGithubFile(uri: Uri, options?: Options): Promise<Buffer>;