public void addFiles(Collection<String> files) {checkFileNames(files);for (String f : files) {setFiles.add(namedForThisSegment(f));}}

public void addFiles ( Collection < String > files ) { checkFileNames ( files ) ; for ( String f : files ) { setFiles . add ( namedForThisSegment ( f ) ) ; } }
public void AddFiles(ICollection<string> files){CheckFileNames(files);setFiles.UnionWith(files);}
