8 methods override FieldItemBase::mainPropertyName() in Drupal 10

CommentItem::mainPropertyName in core/modules/comment/src/Plugin/Field/FieldType/CommentItem.php

Returns the name of the main property, if any.

EntityReferenceItem::mainPropertyName in core/lib/Drupal/Core/Field/Plugin/Field/FieldType/EntityReferenceItem.php

Returns the name of the main property, if any.

LayoutSectionItem::mainPropertyName in core/modules/layout_builder/src/Plugin/Field/FieldType/LayoutSectionItem.php

Returns the name of the main property, if any.

LinkItem::mainPropertyName in core/modules/link/src/Plugin/Field/FieldType/LinkItem.php

Returns the name of the main property, if any.

MapItem::mainPropertyName in core/lib/Drupal/Core/Field/Plugin/Field/FieldType/MapItem.php

Returns the name of the main property, if any.

MultiValueTestItem::mainPropertyName in core/modules/system/tests/modules/entity_test_update/src/Plugin/Field/FieldType/MultiValueTestItem.php

Returns the name of the main property, if any.

PathItem::mainPropertyName in core/modules/path/src/Plugin/Field/FieldType/PathItem.php

Returns the name of the main property, if any.

ShapeItem::mainPropertyName in core/modules/system/tests/modules/entity_test/src/Plugin/Field/FieldType/ShapeItem.php

Returns the name of the main property, if any.