getFieldTypeLabel example

if ($field_storages = $this->getFieldStoragesByModule($module)) {
      // Provide an explanation message (only mention pending deletions if there       // remain no actual, non-deleted fields.)       $fields_in_use = [];
      foreach ($field_storages as $field_storage) {
        if (!$field_storage->isDeleted()) {
          $fields_in_use[$field_storage->getType()][] = $field_storage->getLabel();
        }
      }
      if (!empty($fields_in_use)) {
        foreach ($fields_in_use as $field_type => $field_storages) {
          $field_type_label = $this->getFieldTypeLabel($field_type);
          $reasons[] = $this->formatPlural(count($fields_in_use[$field_type]), 'The %field_type_label field type is used in the following field: @fields', 'The %field_type_label field type is used in the following fields: @fields', ['%field_type_label' => $field_type_label, '@fields' => implode(', ', $field_storages)]);
        }
      }
      else {
        $reasons[] = $this->t('Fields pending deletion');
      }
    }
    return $reasons;
  }

  /** * {@inheritdoc} */