intersection needs always to be called, otherwise it will be null
intersection needs always to be called, otherwise it will be null
thirdy/TomP2P,jonaswagner/TomP2P,jonaswagner/TomP2P,jonaswagner/TomP2P,jonaswagner/TomP2P,jonaswagner/TomP2P,thirdy/TomP2P,jonaswagner/TomP2P