private fun enableCache(): Cache? {
    cache = makeCache()
    client = client.newBuilder().cache(cache).build()
    return cache
  }

  private fun makeCache(): Cache {
    val cacheDir = File.createTempFile("cache-", ".dir")
    cacheDir.delete()
    return Cache(cacheDir, (1024 * 1024).toLong())
  }

  private fun OkHttpClient.newCallWithListener(request: Request): Call =
    newCall(request)

String, String) throws java.io.IOException; public static void copyDirectoryStructu(java.io.File, java.io.File) throws java.io.IOException; public static void rename(java.io.File, java.io.File) throws java.io.IOException; public static java.io.File createTempFile(String, String, java.io.File); static void <clinit>(); } org/codehaus/plexus/util/interpolation/EnvarBasedValueSourc.class package org.codehaus.plexus.util.interpolation; public synchronized class EnvarBasedValueSourc implements ValueSource {...