declare namespace skinTone {
	type Tone =
		| 'none'
		| 'white'
		| 'creamWhite'
		| 'lightBrown'
		| 'brown'
		| 'darkBrown';
}

/**
Change the skin tone of an emoji 👌👌🏻👌🏼👌🏽👌🏾👌🏿.

@param emoji - Emoji to modify.
@param tone - Skin tone to use for `emoji`.

- `'none'`       :      *(Removes skin tone)*
- `'white'`      : 🏻   *(Fitzpatrick Type-1–2)*
- `'creamWhite'` : 🏼   *(Fitzpatrick Type-3)*
- `'lightBrown'` : 🏽   *(Fitzpatrick Type-4)*
- `'brown'`      : 🏾   *(Fitzpatrick Type-5)*
- `'darkBrown'`  : 🏿   *(Fitzpatrick Type-6)*

@example
```
import skinTone = require('skin-tone');

skinTone('👍', 'brown');
//=> '👍🏾'

skinTone('👍', 'white');
//=> '👍🏻'

// can also remove skin tone
skinTone('👍🏾', 'none');
//=> '👍'

// just passes it through when not supported
skinTone('🦄', 'darkBrown');
//=> '🦄'
```
*/
declare function skinTone(emoji: string, tone: skinTone.Tone): string;

export = skinTone;