index.d.ts

// Import the function like 
// import getOpts = require("get-options");
// If you need the types you can import them like normal
// import { Options } from "get-options";

/**
 * Extract command-line options from a list of strings.
 */
declare function getOpts(
	input: any[],
	optdef?: string | { [key: string]: string },
	config?: getOpts.Config
): getOpts.Options;

export = getOpts;

declare namespace getOpts {
	export type Options = { options: any; argv: string[] };
	export type Config = {
		noAliasPropagation?: boolean | "first-only";
		noCamelCase?: boolean;
		noBundling?: boolean;
		noMixedOrder?: boolean;
		noUndefined?: boolean;
		ignoreEquals?: boolean;
		terminator?: string | RegExp;
		duplicates?:
			| "use-first"
			| "use-last"
			| "limit-first"
			| "limit-last"
			| "error"
			| "append"
			| "stack"
			| "stack-values";
	};
}