synchronized class Installer { public static final String DEFAULT_DISTRIBUTION_PATH = wrapper/dists; private final Downloader download; private final PathAssembler pathAssembler; public void Installer(Downloader, PathAssembler); public java.io.File createDist(WrapperConfiguration) throws Exception; private java.util.List listDirs(java.io.File); private void setExecutablePermiss(java.io.File); private boolean isWindows(); private boolean deleteDir(java.io.File); public void unzip(java.io.File, java.io.File)...