Function saboten::cactusgraph::inverse_map_ultrabubbles

pub fn inverse_map_ultrabubbles(
    ultrabubbles: FnvHashMap<(u64, u64), Vec<(u64, u64)>>
) -> FnvHashMap<(u64, u64), Vec<(u64, u64)>>

Inverses the vertex projection of the provided ultrabubbles to the node ID space of the graph used to construct the original biedged graph.