require_dependency 'peta/item'
require_dependency 'peta/owner'
require_dependency 'peta/system_resource'
require_dependency 'peta/item'
require_dependency 'peta/owner'
require_dependency 'peta/system_resource'
require_dependency 'peta/content'
require_dependency 'peta/element_nestable_content'
require_dependency 'peta/root'
require_dependency 'peta/content'
require_dependency 'peta/element_nestable_content'
require_dependency 'peta/root'