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declare namespace prettyBytes {
interface Options {
/**
Include plus sign for positive numbers. If the difference is exactly zero a space character will be prepended instead for better alignment.
@default false
*/
readonly signed?: boolean;
/**
- If `false`: Output won't be localized.
- If `true`: Localize the output using the system/browser locale.
- If `string`: Expects a [BCP 47 language tag](https://en.wikipedia.org/wiki/IETF_language_tag) (For example: `en`, `de`, …)
__Note:__ Localization should generally work in browsers. Node.js needs to be [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.
@default false
*/
readonly locale?: boolean | string;
/**
Format the number as [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).
@default false
```
import prettyBytes = require('pretty-bytes');
prettyBytes(1337, {bits: true});
//=> '1.34 kbit'
```
*/
readonly bits?: boolean;
}
}
/**
Convert bytes to a human readable string: `1337` → `1.34 kB`.
@param number - The number to format.
@example
```
import prettyBytes = require('pretty-bytes');
prettyBytes(1337);
//=> '1.34 kB'
prettyBytes(100);
//=> '100 B'
// Display file size differences
prettyBytes(42, {signed: true});
//=> '+42 B'
// Localized output using German locale
prettyBytes(1337, {locale: 'de'});
//=> '1,34 kB'
```
*/
declare function prettyBytes(
number: number,
options?: prettyBytes.Options
): string;
export = prettyBytes;