class ViewModel::Changes

def to_h
  {
    'changed_attributes'          => changed_attributes.dup,
    'changed_associations'        => changed_associations.dup,
    'new'                         => new?,
    'changed_nested_children'     => changed_nested_children?,
    'changed_referenced_children' => changed_referenced_children?,
    'deleted'                     => deleted?,
  }
end