default boolean canShowPresentation(@NotNull SQLEditor editor, boolean isNew) {
        return true;
    }
A predicate that decides whether the presentation can be shown or not.
<p>
An implementation may opt not to be opened. This can be useful if
an interactive confirmation is shown with an option to cancel the operation.

@param editor associated SQL editor
@param isNew  {@code true} if this presentation was opened for the very first
              time in the associated SQL editor, or {@code false} if it was
              a subsequent opening.
@return {@code true} if the presentation can be shown, or {@code false} if not
plugins/org.jkiss.dbeaver.ui.editors.sql/src/org/jkiss/dbeaver/ui/editors/sql/SQLEditorPresentation.java