__Note:__Localizationshouldgenerallyworkinbrowsers.Node.jsneedstobe[built](https://github.com/nodejs/node/wiki/Intl) with `full-icu` or `system-icu`. Alternatively, the [`full-icu`](https://github.com/unicode-org/full-icu-npm) module can be used to provide support at runtime.
@defaultfalse
*/
readonlylocale?: boolean|string|readonlystring[];
/**
Formatthenumberas[bits](https://en.wikipedia.org/wiki/Bit) instead of [bytes](https://en.wikipedia.org/wiki/Byte). This can be useful when, for example, referring to [bit rate](https://en.wikipedia.org/wiki/Bit_rate).
@defaultfalse
@example
```
importprettyBytes=require('pretty-bytes');
prettyBytes(1337,{bits: true});
//=> '1.34 kbit'
```
*/
readonlybits?: boolean;
/**
Formatthenumberusingthe[BinaryPrefix](https://en.wikipedia.org/wiki/Binary_prefix) instead of the [SI Prefix](https://en.wikipedia.org/wiki/SI_prefix). This can be useful for presenting memory amounts. However, this should not be used for presenting file sizes.