36 files declare their use of FieldItemInterface in Drupal 9
- BaseFieldFileFormatterBase.php in core/
modules/ file/ src/ Plugin/ Field/ FieldFormatter/ BaseFieldFileFormatterBase.php - BooleanItemTest.php in core/
modules/ field/ tests/ src/ Kernel/ Boolean/ BooleanItemTest.php - ComputedFileUrlTest.php in core/
modules/ file/ tests/ src/ Kernel/ ComputedFileUrlTest.php - DateTimeItemTest.php in core/
modules/ datetime/ tests/ src/ Kernel/ DateTimeItemTest.php - DefaultFileFormatter.php in core/
modules/ file/ src/ Plugin/ Field/ FieldFormatter/ DefaultFileFormatter.php - EmailItemTest.php in core/
modules/ field/ tests/ src/ Kernel/ Email/ EmailItemTest.php - EntityFieldTest.php in core/
tests/ Drupal/ KernelTests/ Core/ Entity/ EntityFieldTest.php - EntityReferenceFieldItemNormalizerTest.php in core/
modules/ serialization/ tests/ src/ Unit/ Normalizer/ EntityReferenceFieldItemNormalizerTest.php - EntityReferenceItemNormalizer.php in core/
modules/ hal/ src/ Normalizer/ EntityReferenceItemNormalizer.php - EntityReferenceItemTest.php in core/
modules/ field/ tests/ src/ Kernel/ EntityReference/ EntityReferenceItemTest.php - EntityViewBuilder.php in core/
lib/ Drupal/ Core/ Entity/ EntityViewBuilder.php - EntityViewBuilderInterface.php in core/
lib/ Drupal/ Core/ Entity/ EntityViewBuilderInterface.php - FieldableEntityNormalizerTrait.php in core/
modules/ serialization/ src/ Normalizer/ FieldableEntityNormalizerTrait.php - FieldItemListTest.php in core/
tests/ Drupal/ Tests/ Core/ Field/ FieldItemListTest.php - FieldItemNormalizer.php in core/
modules/ jsonapi/ src/ Normalizer/ FieldItemNormalizer.php - FieldItemNormalizer.php in core/
modules/ hal/ src/ Normalizer/ FieldItemNormalizer.php - FieldItemNormalizer.php in core/
modules/ serialization/ src/ Normalizer/ FieldItemNormalizer.php - FieldItemNormalizerTest.php in core/
modules/ jsonapi/ tests/ src/ Kernel/ Normalizer/ FieldItemNormalizerTest.php - FileExtensionFormatter.php in core/
modules/ file/ src/ Plugin/ Field/ FieldFormatter/ FileExtensionFormatter.php - FileItemTest.php in core/
modules/ file/ tests/ src/ Kernel/ FileItemTest.php - FilemimeFormatter.php in core/
modules/ file/ src/ Plugin/ Field/ FieldFormatter/ FilemimeFormatter.php - FileUriFormatter.php in core/
modules/ file/ src/ Plugin/ Field/ FieldFormatter/ FileUriFormatter.php - ImageItemTest.php in core/
modules/ image/ tests/ src/ Kernel/ ImageItemTest.php - LanguageFormatter.php in core/
lib/ Drupal/ Core/ Field/ Plugin/ Field/ FieldFormatter/ LanguageFormatter.php - LinkItemInterface.php in core/
modules/ link/ src/ LinkItemInterface.php - LinkItemTest.php in core/
modules/ link/ tests/ src/ Kernel/ LinkItemTest.php - NumberItemTest.php in core/
modules/ field/ tests/ src/ Kernel/ Number/ NumberItemTest.php - PrimitiveDataNormalizer.php in core/
modules/ serialization/ src/ Normalizer/ PrimitiveDataNormalizer.php - SerializedColumnNormalizerTrait.php in core/
modules/ serialization/ src/ Normalizer/ SerializedColumnNormalizerTrait.php - ShapeItemTest.php in core/
modules/ field/ tests/ src/ Kernel/ ShapeItemTest.php - StringFormatter.php in core/
lib/ Drupal/ Core/ Field/ Plugin/ Field/ FieldFormatter/ StringFormatter.php - TelephoneItemTest.php in core/
modules/ telephone/ tests/ src/ Kernel/ TelephoneItemTest.php - TestItemTest.php in core/
modules/ field/ tests/ src/ Kernel/ TestItemTest.php - TextWithSummaryItemTest.php in core/
modules/ text/ tests/ src/ Kernel/ TextWithSummaryItemTest.php - TimestampItemNormalizer.php in core/
modules/ hal/ src/ Normalizer/ TimestampItemNormalizer.php - TimestampItemTest.php in core/
modules/ field/ tests/ src/ Kernel/ Timestamp/ TimestampItemTest.php