7 methods override FieldItemBase::fieldSettingsForm()
- 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.
 
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