export interface TimeEndFunction {
	/**
	@returns Elapsed milliseconds.
	*/
	(): number;

	/**
	@returns Elapsed milliseconds rounded.
	*/
	rounded(): number;

	/**
	@returns Elapsed seconds.
	*/
	seconds(): number;

	/**
	@returns Elapsed nanoseconds.
	*/
	nanoseconds(): bigint;
}

/**
Simplified high resolution timing.

@returns A function that returns the time difference.

@example
```
import timeSpan from 'time-span';

const end = timeSpan();

timeConsumingFn();

console.log(end());
//=> 1745.3186

console.log(end.rounded());
//=> 1745

console.log(end.seconds());
//=> 1.7453186
```
*/
export default function timeSpan(): TimeEndFunction;