@SuppressWarnings("MethodMayBeStatic")
  @Deprecated
  public final Executor @NotNull [] getRegisteredExecutors() {
    // do not return array from EP to avoid accidental mutation
    return Executor.EXECUTOR_EXTENSION_NAME.getExtensionList().toArray(new Executor[0]);
  }
@SuppressWarnings("MethodMayBeStatic")
  @Deprecated
  public final Executor @NotNull [] getRegisteredExecutors()