interface Downloader { public abstract void download(java.net.URI, java.io.File) throws Exception; } org/apache/maven/wrapper/Installer.class package org.apache.maven.wrapper; public 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...