private void jButton1ActionPerformed(
      java.awt.event.ActionEvent evt) { // GEN-FIRST:event_jButton1ActionPerformed
    ClasspathInfo cpInfo = ClasspathInfo.create(config.getPrimaryFile());
    final ElementHandle<TypeElement> handle =
        TypeElementFinder.find(
            cpInfo,
            new TypeElementFinder.Customizer() {
              public Set<ElementHandle<TypeElement>> query(
                  ClasspathInfo classpathInfo,
                  String textForQuery,
                  NameKind nameKind,
                  Set<SearchScope> searchScopes) {
                return classpathInfo
                    .getClassIndex()
                    .getDeclaredTypes(textForQuery, nameKind, searchScopes);
              }

              public boolean accept(ElementHandle<TypeElement> typeHandle) {
                return true;
              }
            });
    if (handle != null) {
      jComboBoxPropertyType.setSelectedItem(handle.getQualifiedName());
    }
  } // GEN-LAST:event_jButton1ActionPerformed