export interface Options {
	/**
	Prettify the file paths in the stack:

	`/Users/sindresorhus/dev/clean-stack/unicorn.js:2:15` → `~/dev/clean-stack/unicorn.js:2:15`

	@default false
	*/
	readonly pretty?: boolean;

	/**
	Remove the given base path from stack trace file paths, effectively turning absolute paths into relative ones.

	Example with `'/Users/sindresorhus/dev/clean-stack/'` as `basePath`:

	`/Users/sindresorhus/dev/clean-stack/unicorn.js:2:15` → `unicorn.js:2:15`
	*/
	readonly basePath?: string;
}

/**
Clean up error stack traces. Removes the mostly unhelpful internal Node.js entries.

@param stack - The `stack` property of an `Error`.
@returns The cleaned stack or `undefined` if the given `stack` is `undefined`.

@example
```
import cleanStack from 'clean-stack';

const error = new Error('Missing unicorn');

console.log(error.stack);

// Error: Missing unicorn
//     at Object.<anonymous> (/Users/sindresorhus/dev/clean-stack/unicorn.js:2:15)
//     at Module._compile (module.js:409:26)
//     at Object.Module._extensions..js (module.js:416:10)
//     at Module.load (module.js:343:32)
//     at Function.Module._load (module.js:300:12)
//     at Function.Module.runMain (module.js:441:10)
//     at startup (node.js:139:18)

console.log(cleanStack(error.stack));

// Error: Missing unicorn
//     at Object.<anonymous> (/Users/sindresorhus/dev/clean-stack/unicorn.js:2:15)
```
*/
export default function cleanStack<T extends string | undefined>(stack: T, options?: Options): T;