Object Hierarchy

    GObject
    ╰── GInitiallyUnowned
        ├── EmeusConstraint
        ╰── GtkWidget
            ╰── GtkContainer
                ├── GtkBin
                   ╰── EmeusConstraintLayoutChild
                ╰── EmeusConstraintLayout
    GEnum
    ├── EmeusConstraintAttribute
    ├── EmeusConstraintRelation
    ╰── EmeusConstraintStrength