class ActiveFedora::ChangeSet

def child_graphs(objects)
  child_graphs = ::RDF::Graph.new
  objects.each do |object|
    graph.query({ subject: object }).each do |statement|
      # Have to filter out Fedora triples.
      child_graphs << statement unless FedoraStatement.new(statement).internal?
    end
  end
  child_graphs
end