Element table | RASCH-FI BOX

table =>
array:21 [
  "class" => "Drupal\Core\Render\Element\Table"
  "provider" => "core"
  "id" => "table"
  "#header" => []
  "#rows" => []
  "#empty" => ""
  "#input" => true
  "#tree" => true
  "#tableselect" => false
  "#sticky" => false
  "#responsive" => true
  "#multiple" => true
  "#js_select" => true
  "#process" => array:1 [
    0 => array:2 [
      0 => "Drupal\Core\Render\Element\Table"
      1 => "processTable"
    ]
  ]
  "#element_validate" => array:1 [
    0 => array:2 [
      0 => "Drupal\Core\Render\Element\Table"
      1 => "validateTable"
    ]
  ]
  "#tabledrag" => []
  "#pre_render" => array:1 [
    0 => array:2 [
      0 => "Drupal\Core\Render\Element\Table"
      1 => "preRenderTable"
    ]
  ]
  "#theme" => "table"
  "#value_callback" => array:2 [
    0 => "Drupal\Core\Render\Element\Table"
    1 => "valueCallback"
  ]
  "#type" => "table"
  "#defaults_loaded" => true
]