Element system_compact_link

system_compact_link =>

array:7 [
  "class" => "Drupal\Core\Render\Element\SystemCompactLink"
  "provider" => "core"
  "id" => "system_compact_link"
  "#pre_render" => array:2 [
    0 => array:2 [
      0 => "Drupal\Core\Render\Element\SystemCompactLink"
      1 => "preRenderCompactLink"
    ]
    1 => array:2 [
      0 => "Drupal\Core\Render\Element\SystemCompactLink"
      1 => "preRenderLink"
    ]
  ]
  "#theme_wrappers" => array:1 [
    "container" => array:1 [
      "#attributes" => array:1 [
        "class" => array:1 [
          0 => "compact-link"
        ]
      ]
    ]
  ]
  "#type" => "system_compact_link"
  "#defaults_loaded" => true
]