@Override
    public IInformationControlCreator getHoverControlCreator() {
        return parent -> {
            DefaultInformationControl control = new DefaultInformationControl(parent, true);
            control.setSizeConstraints(60, 10);
            return control;
        };
    }
Associates a SQL editor with this hover. Subclass can cache it for later use.
plugins/org.jkiss.dbeaver.ui.editors.sql/src/org/jkiss/dbeaver/ui/editors/sql/util/AbstractSQLEditorTextHover.java