qtchooser 64-ga1b6736-4 (i386 binary) in ubuntu bionic

 Qt is a cross-platform C++ application framework. Qt's primary feature
 is its rich set of widgets that provide standard GUI functionality.
 .
 The Qt Chooser provides a wrapper to switch between versions of Qt
 development binaries when multiple versions like 4 and 5 are installed
 or local Qt builds are to be used.