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<?php
namespace Drupal\locale;
/**
* An interface for a service providing plural formulae.
*/
interface PluralFormulaInterface {
/**
* @param string $langcode
* The language code to get the formula for.
* @param int $plural_count
* The number of plural forms.
* @param array $formula
* An array of formulae.
*
* @return self
* The PluralFormula object.
*/
public function setPluralFormula($langcode, $plural_count, array $formula);
/**
* Returns the number of plurals supported by a given language.
*
* @param null|string $langcode
* (optional) The language code. If not provided, the current language
* will be used.
*
* @return int
* Number of plural variants supported by the given language.
*/
public function getNumberOfPlurals($langcode = NULL);
/**
* Gets the plural formula for a langcode.
*
* @param string $langcode
* The language code to get the formula for.
*
* @return array
* An array of formulae.
*/
public function getFormula($langcode);
/**
* Resets the static formulae cache.
*
* @return self
* The PluralFormula object.
*/
public function reset();
}
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