@@ -51,7 +51,7 @@ class CurrencyDataGenerator extends AbstractDataGenerator
5151 /**
5252 * {@inheritdoc}
5353 */
54- protected function scanLocales (LocaleScanner $ scanner , $ sourceDir )
54+ protected function scanLocales (LocaleScanner $ scanner , $ sourceDir ): array
5555 {
5656 return $ scanner ->scanLocales ($ sourceDir .'/curr ' );
5757 }
@@ -76,7 +76,7 @@ protected function preGenerate()
7676 /**
7777 * {@inheritdoc}
7878 */
79- protected function generateDataForLocale (BundleEntryReaderInterface $ reader , $ tempDir , $ displayLocale )
79+ protected function generateDataForLocale (BundleEntryReaderInterface $ reader , $ tempDir , $ displayLocale ): ? array
8080 {
8181 $ localeBundle = $ reader ->read ($ tempDir , $ displayLocale );
8282
@@ -97,7 +97,7 @@ protected function generateDataForLocale(BundleEntryReaderInterface $reader, $te
9797 /**
9898 * {@inheritdoc}
9999 */
100- protected function generateDataForRoot (BundleEntryReaderInterface $ reader , $ tempDir )
100+ protected function generateDataForRoot (BundleEntryReaderInterface $ reader , $ tempDir ): ? array
101101 {
102102 $ rootBundle = $ reader ->read ($ tempDir , 'root ' );
103103
@@ -110,7 +110,7 @@ protected function generateDataForRoot(BundleEntryReaderInterface $reader, $temp
110110 /**
111111 * {@inheritdoc}
112112 */
113- protected function generateDataForMeta (BundleEntryReaderInterface $ reader , $ tempDir )
113+ protected function generateDataForMeta (BundleEntryReaderInterface $ reader , $ tempDir ): ? array
114114 {
115115 $ rootBundle = $ reader ->read ($ tempDir , 'root ' );
116116 $ supplementalDataBundle = $ reader ->read ($ tempDir , 'supplementalData ' );
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