7 methods override FieldItemBase::fieldSettingsForm() in Drupal 8

BooleanItem::fieldSettingsForm in core/lib/Drupal/Core/Field/Plugin/Field/FieldType/BooleanItem.php

Returns a form for the field-level settings.

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

Returns a form for the field-level settings.

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

Returns a form for the field-level settings.

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

Returns a form for the field-level settings.

NumericItemBase::fieldSettingsForm in core/lib/Drupal/Core/Field/Plugin/Field/FieldType/NumericItemBase.php

Returns a form for the field-level settings.

TestItem::fieldSettingsForm in core/modules/field/tests/modules/field_test/src/Plugin/Field/FieldType/TestItem.php

Returns a form for the field-level settings.

TextWithSummaryItem::fieldSettingsForm in core/modules/text/src/Plugin/Field/FieldType/TextWithSummaryItem.php

Returns a form for the field-level settings.