@NotNull
  @Override
  public final List<Configurable> getMergedConfigurables() {
    buildConfigurables();
    return isChildrenMerged()
           ? Arrays.asList(children)
           : Arrays.asList(DebuggerConfigurable.EMPTY_CONFIGURABLES);
  }
@NotNull
  @Override
  public final List<Configurable> getMergedConfigurables()