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Filename : PermissionRelationship.php

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<?php

namespace App\Models\Traits\Relationship;

/**
 * Class PermissionRelationship.
 */
trait PermissionRelationship
{
    /**
     * @return mixed
     */
    public function parent()
    {
        return $this->belongsTo(__CLASS__, 'parent_id')->with('parent');
    }

    /**
     * @return mixed
     */
    public function children()
    {
        return $this->hasMany(__CLASS__, 'parent_id')->with('children');
    }
}