The Drupal.Arrays.Array.LongLineDeclaration sniff detects an array declaration that's in a single line.
But there's no rule that picks up a long attribute declaration, e.g.
#[\Drupal\computed_field\Attribute\ComputedField(id: 'test_string_automatic_base', label: new TranslatableMarkup('Test String Automatic'), field_type: 'string', no_ui: TRUE, attach: ['scope' => 'base', 'field_name' => 'test_automatic_base', 'entity_types' => ['entity_test_with_bundle' => []]])]
Active
8.3
Coder Sniffer