public static void installDfaAssist(@NotNull DebuggerSession javaSession,
                                      @NotNull XDebugSession session,
                                      @NotNull Disposable parent) {
    DebuggerStateManager manager = javaSession.getContextManager();
    DebuggerContextImpl context = manager.getContext();
    Project project = context.getProject();
    if (project != null) {
      DfaAssist assist = new DfaAssist(project, manager);
      Disposer.register(parent, assist);
      manager.addListener(assist);
      session.addSessionListener(new XDebugSessionListener() {
        @Override
        public void settingsChanged() {
          assist.updateFromSettings();
        }
      }, assist);
    }
  }
public static void installDfaAssist(@NotNull DebuggerSession javaSession,
                                      @NotNull XDebugSession session,
                                      @NotNull Disposable parent)