src/Baum/Node.php
public function descendantsAndSelf() {
    return $this->newNestedSetQuery()
                ->where($this->getLeftColumnName(), '>=', $this->getLeft())
                ->where($this->getLeftColumnName(), '<', $this->getRight());
  }
public function descendantsAndSelf() {
    return $this->newNestedSetQuery()
                ->where($this->getLeftColumnName(), '>=', $this->getLeft())
                ->where($this->getLeftColumnName(), '<', $this->getRight());
  }
Scope targeting itself and all of its nested children.

@return \Illuminate\Database\Query\Builder