15 methods override FormatterInterface::viewElements()

AuthorFormatter::viewElements in core/modules/user/src/Plugin/Field/FieldFormatter/AuthorFormatter.php
BasicStringFormatter::viewElements in core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/BasicStringFormatter.php
BooleanFormatter::viewElements in core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/BooleanFormatter.php
EntityReferenceEntityFormatter::viewElements in core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/EntityReferenceEntityFormatter.php
EntityReferenceIdFormatter::viewElements in core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/EntityReferenceIdFormatter.php
EntityReferenceLabelFormatter::viewElements in core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/EntityReferenceLabelFormatter.php
EntityReferenceTaxonomyTermRssFormatter::viewElements in core/modules/taxonomy/src/Plugin/Field/FieldFormatter/EntityReferenceTaxonomyTermRssFormatter.php
MailToFormatter::viewElements in core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/MailToFormatter.php
NumericFormatterBase::viewElements in core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/NumericFormatterBase.php
NumericUnformattedFormatter::viewElements in core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/NumericUnformattedFormatter.php
StringFormatter::viewElements in core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/StringFormatter.php
TimestampAgoFormatter::viewElements in core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/TimestampAgoFormatter.php
TimestampFormatter::viewElements in core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/TimestampFormatter.php
UriLinkFormatter::viewElements in core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/UriLinkFormatter.php
UserNameFormatter::viewElements in core/modules/user/src/Plugin/Field/FieldFormatter/UserNameFormatter.php

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.