virt-manager/meson_options.txt

option('update-icon-cache', type: 'boolean', value: true, description: 'whether to run gtk-update-icon-cache')
option('compile-schemas', type: 'boolean', value: true, description: 'whether to compile gsettings schemas')

option('default-graphics', type: 'combo', choices: ['spice', 'vnc'], value: 'spice', description: 'default graphics type')
option('default-hvs', type: 'array', choices: ['qemu', 'xen', 'lxc', 'bhyve', 'vz'], description: 'list of hypervisors shown in "Open Connection" wizard')