### Interface

# Gtk ConstraintTarget

#### Description [src]

    interface Gtk.ConstraintTarget : GObject.Object

The `GtkConstraintTarget` interface is implemented by objects that can be used as source or target in `GtkConstraint`s.

Besides `GtkWidget`, it is also implemented by `GtkConstraintGuide`.

#### Interface structure

    struct GtkConstraintTargetInterface {
      /* no available fields */
    }