anchor.diff:    };
   
     asterisk_18 = common {
  -    version = "18.1.0";
  -    sha256 = "1pq2nrf60xnvh2h1rv82bdfbxxxd277g68xas0vbfgr4531gc4nc";
  +    version = "18.3.0";
  +    sha256 = "1xb953i9ay82vcdv8izi5dd5xnspcsvg10ajiyph377jw2xnd5fb";
       externals = {
         "externals_cache/pjproject-2.10.tar.bz2" = pjproject_2_10;
         "addons/mp3" = mp3-202;
  
positive.code:   };
  
    asterisk_16 = common {
      version = "16.15.0";
      sha256 = "12nc7ywm6w1xyn720kdc1sqz5wkjjrkxr25wisl02f4v5wz8py7m";
      externals = {
        "externals_cache/pjproject-2.10.tar.bz2" = pjproject_2_10;
        "addons/mp3" = mp3-202;
  
negative.code:   asterisk = asterisk_18;
  
    asterisk_13 = common {
      version = "13.38.2";
      sha256 = "1v7wgsa9vf7qycg3xpvmn2bkandkfh3x15pr8ylg0w0gvfkkf5b9";
      externals = {
        "externals_cache/pjproject-2.10.tar.bz2" = pjproject_2_10;
        "addons/mp3" = mp3-202;
  