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/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import { PipeTransform } from '@angular/core';
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/**
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* @ngModule CommonModule
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* @whatItDoes Formats a number according to locale rules.
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* @howToUse `number_expression | number[:digitInfo]`
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*
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* Formats a number as text. Group sizing and separator and other locale-specific
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* configurations are based on the active locale.
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*
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* where `expression` is a number:
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* - `digitInfo` is a `string` which has a following format: <br>
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* <code>{minIntegerDigits}.{minFractionDigits}-{maxFractionDigits}</code>
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* - `minIntegerDigits` is the minimum number of integer digits to use. Defaults to `1`.
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* - `minFractionDigits` is the minimum number of digits after fraction. Defaults to `0`.
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* - `maxFractionDigits` is the maximum number of digits after fraction. Defaults to `3`.
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*
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* For more information on the acceptable range for each of these numbers and other
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* details see your native internationalization library.
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*
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* WARNING: this pipe uses the Internationalization API which is not yet available in all browsers
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* and may require a polyfill. See [Browser Support](guide/browser-support) for details.
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*
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* ### Example
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*
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* {@example common/pipes/ts/number_pipe.ts region='NumberPipe'}
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*
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* @stable
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*/
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export declare class DecimalPipe implements PipeTransform {
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private _locale;
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constructor(_locale: string);
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transform(value: any, digits?: string): string | null;
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}
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/**
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* @ngModule CommonModule
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* @whatItDoes Formats a number as a percentage according to locale rules.
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* @howToUse `number_expression | percent[:digitInfo]`
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*
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* @description
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*
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* Formats a number as percentage.
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*
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* - `digitInfo` See {@link DecimalPipe} for detailed description.
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*
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* WARNING: this pipe uses the Internationalization API which is not yet available in all browsers
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* and may require a polyfill. See [Browser Support](guide/browser-support) for details.
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*
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* ### Example
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*
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* {@example common/pipes/ts/number_pipe.ts region='PercentPipe'}
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*
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* @stable
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*/
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export declare class PercentPipe implements PipeTransform {
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private _locale;
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constructor(_locale: string);
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transform(value: any, digits?: string): string | null;
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}
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/**
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* @ngModule CommonModule
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* @whatItDoes Formats a number as currency using locale rules.
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* @howToUse `number_expression | currency[:currencyCode[:symbolDisplay[:digitInfo]]]`
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* @description
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*
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* Use `currency` to format a number as currency.
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*
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* - `currencyCode` is the [ISO 4217](https://en.wikipedia.org/wiki/ISO_4217) currency code, such
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* as `USD` for the US dollar and `EUR` for the euro.
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* - `symbolDisplay` is a boolean indicating whether to use the currency symbol or code.
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* - `true`: use symbol (e.g. `$`).
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* - `false`(default): use code (e.g. `USD`).
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* - `digitInfo` See {@link DecimalPipe} for detailed description.
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*
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* WARNING: this pipe uses the Internationalization API which is not yet available in all browsers
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* and may require a polyfill. See [Browser Support](guide/browser-support) for details.
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*
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* ### Example
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*
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* {@example common/pipes/ts/number_pipe.ts region='CurrencyPipe'}
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*
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* @stable
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*/
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export declare class CurrencyPipe implements PipeTransform {
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private _locale;
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constructor(_locale: string);
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transform(value: any, currencyCode?: string, symbolDisplay?: boolean, digits?: string): string | null;
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}
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export declare function isNumeric(value: any): boolean;
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