- * @param string $singular
- * @param string $plural
- * @param string $context
- * @param string|null $domain
- * @return array
+ *
+ * @param string $singular Singular form to be localized.
+ * @param string $plural Plural form to be localized.
+ * @param string $context Context information for the translators.
+ * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings.
+ * Default null.
+ * @return array {
+ * Array of translation information for the strings.
+ *
+ * @type string $0 Singular form to be localized. No longer used.
+ * @type string $1 Plural form to be localized. No longer used.
+ * @type string $2 Context information for the translators. No longer used.
+ * @type string $singular Singular form to be localized.
+ * @type string $plural Plural form to be localized.
+ * @type string $context Context information for the translators.
+ * @type string $domain Text domain.
+ * }