pub trait CreateAndPushNewMuc {
type Error;
// Required method
fn create_and_push_new_muc(
&mut self,
shortest_path: &Vec<NodeId>,
edge: &Edge,
src_muc_id: MinimumUnionCycleId,
dst_muc_id: MinimumUnionCycleId,
) -> Result<MinimumUnionCycleId, Self::Error>;
}