private static @Nullable Indent getDefaultSubtreeIndent(@NotNull ASTNode child, @NotNull CommonCodeStyleSettings settings) {
    CommonCodeStyleSettings.IndentOptions indentOptions= getJavaIndentOptions(settings);
    final ASTNode parent = child.getTreeParent();
    final IElementType childNodeType = child.getElementType();
    if (childNodeType == JavaElementType.ANNOTATION) {
      if (parent.getPsi() instanceof PsiArrayInitializerMemberValue) {
        return Indent.getNormalIndent();
      }
      return Indent.getNoneIndent();
    }

    final ASTNode prevElement = skipCommentsAndWhitespacesBackwards(child);
    if (prevElement != null && prevElement.getElementType() == JavaElementType.MODIFIER_LIST) {
      return Indent.getNoneIndent();
    }

    if (childNodeType == JavaDocElementType.DOC_TAG) return Indent.getNoneIndent();
    if (childNodeType == JavaDocTokenType.DOC_COMMENT_LEADING_ASTERISKS) return Indent.getSpaceIndent(1);
    if (child.getPsi() instanceof PsiFile) return Indent.getNoneIndent();
    if (parent != null) {
      final Indent defaultChildIndent = getChildIndent(parent, indentOptions);
      if (defaultChildIndent != null) return defaultChildIndent;
      if (parent.getPsi() instanceof PsiLambdaExpression && child instanceof PsiCodeBlock) {
        if (settings.LAMBDA_BRACE_STYLE == CommonCodeStyleSettings.NEXT_LINE_SHIFTED ||
            settings.LAMBDA_BRACE_STYLE == CommonCodeStyleSettings.NEXT_LINE_SHIFTED2) {
          return Indent.getNormalIndent();
        }
        return Indent.getNoneIndent();
      }
      if (parent.getPsi() instanceof PsiSwitchExpression &&
          child instanceof PsiCodeBlock) {
        if (settings.BRACE_STYLE == CommonCodeStyleSettings.NEXT_LINE_SHIFTED ||
            settings.BRACE_STYLE == CommonCodeStyleSettings.NEXT_LINE_SHIFTED2) {
          return Indent.getNormalIndent();
        }
        return Indent.getNoneIndent();
      }
    }

    return null;
  }
private static @Nullable Indent getDefaultSubtreeIndent(@NotNull ASTNode child, @NotNull CommonCodeStyleSettings settings)