private static @NotNull List<@NonNls String> getActionIdList(@NotNull Project project, @Nullable MavenProject mavenProject) {
    //noinspection TestOnlyProblems
    String actionPrefix = getActionPrefix(project, mavenProject);
    if (actionPrefix == null) return Collections.emptyList();
    return ActionManager.getInstance().getActionIdList(actionPrefix);
  }
private static @NotNull List<@NonNls String> getActionIdList(@NotNull Project project, @Nullable MavenProject mavenProject)