public void copyFrom(P2Model other){
  ius.addAll(other.ius);
  repos.addAll(other.repos);
  metadataRepos.addAll(other.metadataRepos);
  artifactRepos.addAll(other.artifactRepos);
}

public void copyFrom ( P2Model other ) { ius . addAll ( other . ius ) ; repos . addAll ( other . repos ) ; metadataRepos . addAll ( other . metadataRepos ) ; artifactRepos . addAll ( other . artifactRepos ) ; }
copies everything from the other model into this one .
