libmagick++-dev 8:6.9.10.14+dfsg-7ubuntu2 (arm64 binary) in ubuntu disco

 The Magick++ library was a set of C++ wrapper classes that provides access
 to the ImageMagick package functionality from within a C++ application.
 .
 This is a transitional package to help migrate systems to the new
 ABI of libmagick++-6 development files for default channel depth.
 .
 This is a dummy package. You can safely purge or remove it.