Provided by: libgtk-4-bin_4.20.3+ds-2_amd64 

Name
gtk4-query-settings - Print name and value of GTK settings
SYNOPSIS
gtk4-query-settings [PATTERN]
DESCRIPTION
gtk4-query-settings prints both name and value of all properties available in the GtkSettings class.
Optionally, you can filter which properties to list by specifying a PATTERN.
GTK gtk4-query-settings(1)