@Nullable
  @Override
  public LeafElement createLeaf(@NotNull IElementType type, @NotNull CharSequence text) {
    if (PyTokenTypes.STRING_NODES.contains(type)) {
      return new PyPlainStringElementImpl(type, text);
    }
    return super.createLeaf(type, text);
  }
@Nullable
  @Override
  public LeafElement createLeaf(@NotNull IElementType type, @NotNull CharSequence text)