diff --git a/lib/configuration-strict.d.ts b/lib/configuration-strict.d.ts
index 788bc64f..8b4ca5f3 100644
--- a/lib/configuration-strict.d.ts
+++ b/lib/configuration-strict.d.ts
@@ -13,7 +13,7 @@ export interface ConfigurationStrict {
   /**
    * Default state for all rules
    */
-  default?: boolean;
+  default?: boolean | "error";
   /**
    * Path to configuration file to extend
    */
@@ -23,6 +23,7 @@ export interface ConfigurationStrict {
    */
   MD001?:
     | boolean
+    | "error"
     | {
         /**
          * RegExp for matching title in front matter
@@ -34,6 +35,7 @@ export interface ConfigurationStrict {
    */
   "heading-increment"?:
     | boolean
+    | "error"
     | {
         /**
          * RegExp for matching title in front matter
@@ -45,6 +47,7 @@ export interface ConfigurationStrict {
    */
   MD003?:
     | boolean
+    | "error"
     | {
         /**
          * Heading style
@@ -56,6 +59,7 @@ export interface ConfigurationStrict {
    */
   "heading-style"?:
     | boolean
+    | "error"
     | {
         /**
          * Heading style
@@ -67,6 +71,7 @@ export interface ConfigurationStrict {
    */
   MD004?:
     | boolean
+    | "error"
     | {
         /**
          * List style
@@ -78,6 +83,7 @@ export interface ConfigurationStrict {
    */
   "ul-style"?:
     | boolean
+    | "error"
     | {
         /**
          * List style
@@ -87,16 +93,17 @@ export interface ConfigurationStrict {
   /**
    * MD005/list-indent : Inconsistent indentation for list items at the same level : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md005.md
    */
-  MD005?: boolean;
+  MD005?: boolean | "error";
   /**
    * MD005/list-indent : Inconsistent indentation for list items at the same level : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md005.md
    */
-  "list-indent"?: boolean;
+  "list-indent"?: boolean | "error";
   /**
    * MD007/ul-indent : Unordered list indentation : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md007.md
    */
   MD007?:
     | boolean
+    | "error"
     | {
         /**
          * Spaces for indent
@@ -116,6 +123,7 @@ export interface ConfigurationStrict {
    */
   "ul-indent"?:
     | boolean
+    | "error"
     | {
         /**
          * Spaces for indent
@@ -135,6 +143,7 @@ export interface ConfigurationStrict {
    */
   MD009?:
     | boolean
+    | "error"
     | {
         /**
          * Spaces for line break
@@ -154,6 +163,7 @@ export interface ConfigurationStrict {
    */
   "no-trailing-spaces"?:
     | boolean
+    | "error"
     | {
         /**
          * Spaces for line break
@@ -173,6 +183,7 @@ export interface ConfigurationStrict {
    */
   MD010?:
     | boolean
+    | "error"
     | {
         /**
          * Include code blocks
@@ -192,6 +203,7 @@ export interface ConfigurationStrict {
    */
   "no-hard-tabs"?:
     | boolean
+    | "error"
     | {
         /**
          * Include code blocks
@@ -209,16 +221,17 @@ export interface ConfigurationStrict {
   /**
    * MD011/no-reversed-links : Reversed link syntax : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md011.md
    */
-  MD011?: boolean;
+  MD011?: boolean | "error";
   /**
    * MD011/no-reversed-links : Reversed link syntax : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md011.md
    */
-  "no-reversed-links"?: boolean;
+  "no-reversed-links"?: boolean | "error";
   /**
    * MD012/no-multiple-blanks : Multiple consecutive blank lines : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md012.md
    */
   MD012?:
     | boolean
+    | "error"
     | {
         /**
          * Consecutive blank lines
@@ -230,6 +243,7 @@ export interface ConfigurationStrict {
    */
   "no-multiple-blanks"?:
     | boolean
+    | "error"
     | {
         /**
          * Consecutive blank lines
@@ -241,6 +255,7 @@ export interface ConfigurationStrict {
    */
   MD013?:
     | boolean
+    | "error"
     | {
         /**
          * Number of characters
@@ -280,6 +295,7 @@ export interface ConfigurationStrict {
    */
   "line-length"?:
     | boolean
+    | "error"
     | {
         /**
          * Number of characters
@@ -317,48 +333,49 @@ export interface ConfigurationStrict {
   /**
    * MD014/commands-show-output : Dollar signs used before commands without showing output : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md014.md
    */
-  MD014?: boolean;
+  MD014?: boolean | "error";
   /**
    * MD014/commands-show-output : Dollar signs used before commands without showing output : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md014.md
    */
-  "commands-show-output"?: boolean;
+  "commands-show-output"?: boolean | "error";
   /**
    * MD018/no-missing-space-atx : No space after hash on atx style heading : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md018.md
    */
-  MD018?: boolean;
+  MD018?: boolean | "error";
   /**
    * MD018/no-missing-space-atx : No space after hash on atx style heading : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md018.md
    */
-  "no-missing-space-atx"?: boolean;
+  "no-missing-space-atx"?: boolean | "error";
   /**
    * MD019/no-multiple-space-atx : Multiple spaces after hash on atx style heading : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md019.md
    */
-  MD019?: boolean;
+  MD019?: boolean | "error";
   /**
    * MD019/no-multiple-space-atx : Multiple spaces after hash on atx style heading : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md019.md
    */
-  "no-multiple-space-atx"?: boolean;
+  "no-multiple-space-atx"?: boolean | "error";
   /**
    * MD020/no-missing-space-closed-atx : No space inside hashes on closed atx style heading : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md020.md
    */
-  MD020?: boolean;
+  MD020?: boolean | "error";
   /**
    * MD020/no-missing-space-closed-atx : No space inside hashes on closed atx style heading : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md020.md
    */
-  "no-missing-space-closed-atx"?: boolean;
+  "no-missing-space-closed-atx"?: boolean | "error";
   /**
    * MD021/no-multiple-space-closed-atx : Multiple spaces inside hashes on closed atx style heading : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md021.md
    */
-  MD021?: boolean;
+  MD021?: boolean | "error";
   /**
    * MD021/no-multiple-space-closed-atx : Multiple spaces inside hashes on closed atx style heading : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md021.md
    */
-  "no-multiple-space-closed-atx"?: boolean;
+  "no-multiple-space-closed-atx"?: boolean | "error";
   /**
    * MD022/blanks-around-headings : Headings should be surrounded by blank lines : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md022.md
    */
   MD022?:
     | boolean
+    | "error"
     | {
         /**
          * Blank lines above heading
@@ -374,6 +391,7 @@ export interface ConfigurationStrict {
    */
   "blanks-around-headings"?:
     | boolean
+    | "error"
     | {
         /**
          * Blank lines above heading
@@ -387,16 +405,17 @@ export interface ConfigurationStrict {
   /**
    * MD023/heading-start-left : Headings must start at the beginning of the line : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md023.md
    */
-  MD023?: boolean;
+  MD023?: boolean | "error";
   /**
    * MD023/heading-start-left : Headings must start at the beginning of the line : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md023.md
    */
-  "heading-start-left"?: boolean;
+  "heading-start-left"?: boolean | "error";
   /**
    * MD024/no-duplicate-heading : Multiple headings with the same content : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md024.md
    */
   MD024?:
     | boolean
+    | "error"
     | {
         /**
          * Only check sibling headings
@@ -408,6 +427,7 @@ export interface ConfigurationStrict {
    */
   "no-duplicate-heading"?:
     | boolean
+    | "error"
     | {
         /**
          * Only check sibling headings
@@ -419,6 +439,7 @@ export interface ConfigurationStrict {
    */
   MD025?:
     | boolean
+    | "error"
     | {
         /**
          * RegExp for matching title in front matter
@@ -434,6 +455,7 @@ export interface ConfigurationStrict {
    */
   "single-title"?:
     | boolean
+    | "error"
     | {
         /**
          * RegExp for matching title in front matter
@@ -449,6 +471,7 @@ export interface ConfigurationStrict {
    */
   "single-h1"?:
     | boolean
+    | "error"
     | {
         /**
          * RegExp for matching title in front matter
@@ -464,6 +487,7 @@ export interface ConfigurationStrict {
    */
   MD026?:
     | boolean
+    | "error"
     | {
         /**
          * Punctuation characters
@@ -475,6 +499,7 @@ export interface ConfigurationStrict {
    */
   "no-trailing-punctuation"?:
     | boolean
+    | "error"
     | {
         /**
          * Punctuation characters
@@ -486,6 +511,7 @@ export interface ConfigurationStrict {
    */
   MD027?:
     | boolean
+    | "error"
     | {
         /**
          * Include list items
@@ -497,6 +523,7 @@ export interface ConfigurationStrict {
    */
   "no-multiple-space-blockquote"?:
     | boolean
+    | "error"
     | {
         /**
          * Include list items
@@ -506,16 +533,17 @@ export interface ConfigurationStrict {
   /**
    * MD028/no-blanks-blockquote : Blank line inside blockquote : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md028.md
    */
-  MD028?: boolean;
+  MD028?: boolean | "error";
   /**
    * MD028/no-blanks-blockquote : Blank line inside blockquote : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md028.md
    */
-  "no-blanks-blockquote"?: boolean;
+  "no-blanks-blockquote"?: boolean | "error";
   /**
    * MD029/ol-prefix : Ordered list item prefix : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md029.md
    */
   MD029?:
     | boolean
+    | "error"
     | {
         /**
          * List style
@@ -527,6 +555,7 @@ export interface ConfigurationStrict {
    */
   "ol-prefix"?:
     | boolean
+    | "error"
     | {
         /**
          * List style
@@ -538,6 +567,7 @@ export interface ConfigurationStrict {
    */
   MD030?:
     | boolean
+    | "error"
     | {
         /**
          * Spaces for single-line unordered list items
@@ -561,6 +591,7 @@ export interface ConfigurationStrict {
    */
   "list-marker-space"?:
     | boolean
+    | "error"
     | {
         /**
          * Spaces for single-line unordered list items
@@ -584,6 +615,7 @@ export interface ConfigurationStrict {
    */
   MD031?:
     | boolean
+    | "error"
     | {
         /**
          * Include list items
@@ -595,6 +627,7 @@ export interface ConfigurationStrict {
    */
   "blanks-around-fences"?:
     | boolean
+    | "error"
     | {
         /**
          * Include list items
@@ -604,16 +637,17 @@ export interface ConfigurationStrict {
   /**
    * MD032/blanks-around-lists : Lists should be surrounded by blank lines : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md032.md
    */
-  MD032?: boolean;
+  MD032?: boolean | "error";
   /**
    * MD032/blanks-around-lists : Lists should be surrounded by blank lines : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md032.md
    */
-  "blanks-around-lists"?: boolean;
+  "blanks-around-lists"?: boolean | "error";
   /**
    * MD033/no-inline-html : Inline HTML : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md033.md
    */
   MD033?:
     | boolean
+    | "error"
     | {
         /**
          * Allowed elements
@@ -629,6 +663,7 @@ export interface ConfigurationStrict {
    */
   "no-inline-html"?:
     | boolean
+    | "error"
     | {
         /**
          * Allowed elements
@@ -642,16 +677,17 @@ export interface ConfigurationStrict {
   /**
    * MD034/no-bare-urls : Bare URL used : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md034.md
    */
-  MD034?: boolean;
+  MD034?: boolean | "error";
   /**
    * MD034/no-bare-urls : Bare URL used : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md034.md
    */
-  "no-bare-urls"?: boolean;
+  "no-bare-urls"?: boolean | "error";
   /**
    * MD035/hr-style : Horizontal rule style : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md035.md
    */
   MD035?:
     | boolean
+    | "error"
     | {
         /**
          * Horizontal rule style
@@ -663,6 +699,7 @@ export interface ConfigurationStrict {
    */
   "hr-style"?:
     | boolean
+    | "error"
     | {
         /**
          * Horizontal rule style
@@ -674,6 +711,7 @@ export interface ConfigurationStrict {
    */
   MD036?:
     | boolean
+    | "error"
     | {
         /**
          * Punctuation characters
@@ -685,6 +723,7 @@ export interface ConfigurationStrict {
    */
   "no-emphasis-as-heading"?:
     | boolean
+    | "error"
     | {
         /**
          * Punctuation characters
@@ -694,32 +733,33 @@ export interface ConfigurationStrict {
   /**
    * MD037/no-space-in-emphasis : Spaces inside emphasis markers : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md037.md
    */
-  MD037?: boolean;
+  MD037?: boolean | "error";
   /**
    * MD037/no-space-in-emphasis : Spaces inside emphasis markers : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md037.md
    */
-  "no-space-in-emphasis"?: boolean;
+  "no-space-in-emphasis"?: boolean | "error";
   /**
    * MD038/no-space-in-code : Spaces inside code span elements : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md038.md
    */
-  MD038?: boolean;
+  MD038?: boolean | "error";
   /**
    * MD038/no-space-in-code : Spaces inside code span elements : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md038.md
    */
-  "no-space-in-code"?: boolean;
+  "no-space-in-code"?: boolean | "error";
   /**
    * MD039/no-space-in-links : Spaces inside link text : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md039.md
    */
-  MD039?: boolean;
+  MD039?: boolean | "error";
   /**
    * MD039/no-space-in-links : Spaces inside link text : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md039.md
    */
-  "no-space-in-links"?: boolean;
+  "no-space-in-links"?: boolean | "error";
   /**
    * MD040/fenced-code-language : Fenced code blocks should have a language specified : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md040.md
    */
   MD040?:
     | boolean
+    | "error"
     | {
         /**
          * List of languages
@@ -735,6 +775,7 @@ export interface ConfigurationStrict {
    */
   "fenced-code-language"?:
     | boolean
+    | "error"
     | {
         /**
          * List of languages
@@ -750,6 +791,7 @@ export interface ConfigurationStrict {
    */
   MD041?:
     | boolean
+    | "error"
     | {
         /**
          * Allow content before first heading
@@ -769,6 +811,7 @@ export interface ConfigurationStrict {
    */
   "first-line-heading"?:
     | boolean
+    | "error"
     | {
         /**
          * Allow content before first heading
@@ -788,6 +831,7 @@ export interface ConfigurationStrict {
    */
   "first-line-h1"?:
     | boolean
+    | "error"
     | {
         /**
          * Allow content before first heading
@@ -805,16 +849,17 @@ export interface ConfigurationStrict {
   /**
    * MD042/no-empty-links : No empty links : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md042.md
    */
-  MD042?: boolean;
+  MD042?: boolean | "error";
   /**
    * MD042/no-empty-links : No empty links : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md042.md
    */
-  "no-empty-links"?: boolean;
+  "no-empty-links"?: boolean | "error";
   /**
    * MD043/required-headings : Required heading structure : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md043.md
    */
   MD043?:
     | boolean
+    | "error"
     | {
         /**
          * List of headings
@@ -830,6 +875,7 @@ export interface ConfigurationStrict {
    */
   "required-headings"?:
     | boolean
+    | "error"
     | {
         /**
          * List of headings
@@ -845,6 +891,7 @@ export interface ConfigurationStrict {
    */
   MD044?:
     | boolean
+    | "error"
     | {
         /**
          * List of proper names
@@ -864,6 +911,7 @@ export interface ConfigurationStrict {
    */
   "proper-names"?:
     | boolean
+    | "error"
     | {
         /**
          * List of proper names
@@ -881,16 +929,17 @@ export interface ConfigurationStrict {
   /**
    * MD045/no-alt-text : Images should have alternate text (alt text) : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md045.md
    */
-  MD045?: boolean;
+  MD045?: boolean | "error";
   /**
    * MD045/no-alt-text : Images should have alternate text (alt text) : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md045.md
    */
-  "no-alt-text"?: boolean;
+  "no-alt-text"?: boolean | "error";
   /**
    * MD046/code-block-style : Code block style : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md046.md
    */
   MD046?:
     | boolean
+    | "error"
     | {
         /**
          * Block style
@@ -902,6 +951,7 @@ export interface ConfigurationStrict {
    */
   "code-block-style"?:
     | boolean
+    | "error"
     | {
         /**
          * Block style
@@ -911,16 +961,17 @@ export interface ConfigurationStrict {
   /**
    * MD047/single-trailing-newline : Files should end with a single newline character : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md047.md
    */
-  MD047?: boolean;
+  MD047?: boolean | "error";
   /**
    * MD047/single-trailing-newline : Files should end with a single newline character : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md047.md
    */
-  "single-trailing-newline"?: boolean;
+  "single-trailing-newline"?: boolean | "error";
   /**
    * MD048/code-fence-style : Code fence style : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md048.md
    */
   MD048?:
     | boolean
+    | "error"
     | {
         /**
          * Code fence style
@@ -932,6 +983,7 @@ export interface ConfigurationStrict {
    */
   "code-fence-style"?:
     | boolean
+    | "error"
     | {
         /**
          * Code fence style
@@ -943,6 +995,7 @@ export interface ConfigurationStrict {
    */
   MD049?:
     | boolean
+    | "error"
     | {
         /**
          * Emphasis style
@@ -954,6 +1007,7 @@ export interface ConfigurationStrict {
    */
   "emphasis-style"?:
     | boolean
+    | "error"
     | {
         /**
          * Emphasis style
@@ -965,6 +1019,7 @@ export interface ConfigurationStrict {
    */
   MD050?:
     | boolean
+    | "error"
     | {
         /**
          * Strong style
@@ -976,6 +1031,7 @@ export interface ConfigurationStrict {
    */
   "strong-style"?:
     | boolean
+    | "error"
     | {
         /**
          * Strong style
@@ -987,6 +1043,7 @@ export interface ConfigurationStrict {
    */
   MD051?:
     | boolean
+    | "error"
     | {
         /**
          * Ignore case of fragments
@@ -1002,6 +1059,7 @@ export interface ConfigurationStrict {
    */
   "link-fragments"?:
     | boolean
+    | "error"
     | {
         /**
          * Ignore case of fragments
@@ -1017,6 +1075,7 @@ export interface ConfigurationStrict {
    */
   MD052?:
     | boolean
+    | "error"
     | {
         /**
          * Ignored link labels
@@ -1032,6 +1091,7 @@ export interface ConfigurationStrict {
    */
   "reference-links-images"?:
     | boolean
+    | "error"
     | {
         /**
          * Ignored link labels
@@ -1047,6 +1107,7 @@ export interface ConfigurationStrict {
    */
   MD053?:
     | boolean
+    | "error"
     | {
         /**
          * Ignored definitions
@@ -1058,6 +1119,7 @@ export interface ConfigurationStrict {
    */
   "link-image-reference-definitions"?:
     | boolean
+    | "error"
     | {
         /**
          * Ignored definitions
@@ -1069,6 +1131,7 @@ export interface ConfigurationStrict {
    */
   MD054?:
     | boolean
+    | "error"
     | {
         /**
          * Allow autolinks
@@ -1100,6 +1163,7 @@ export interface ConfigurationStrict {
    */
   "link-image-style"?:
     | boolean
+    | "error"
     | {
         /**
          * Allow autolinks
@@ -1131,6 +1195,7 @@ export interface ConfigurationStrict {
    */
   MD055?:
     | boolean
+    | "error"
     | {
         /**
          * Table pipe style
@@ -1142,6 +1207,7 @@ export interface ConfigurationStrict {
    */
   "table-pipe-style"?:
     | boolean
+    | "error"
     | {
         /**
          * Table pipe style
@@ -1151,24 +1217,25 @@ export interface ConfigurationStrict {
   /**
    * MD056/table-column-count : Table column count : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md056.md
    */
-  MD056?: boolean;
+  MD056?: boolean | "error";
   /**
    * MD056/table-column-count : Table column count : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md056.md
    */
-  "table-column-count"?: boolean;
+  "table-column-count"?: boolean | "error";
   /**
    * MD058/blanks-around-tables : Tables should be surrounded by blank lines : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md058.md
    */
-  MD058?: boolean;
+  MD058?: boolean | "error";
   /**
    * MD058/blanks-around-tables : Tables should be surrounded by blank lines : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md058.md
    */
-  "blanks-around-tables"?: boolean;
+  "blanks-around-tables"?: boolean | "error";
   /**
    * MD059/descriptive-link-text : Link text should be descriptive : https://github.com/DavidAnson/markdownlint/blob/v0.38.0/doc/md059.md
    */
   MD059?:
     | boolean
+    | "error"
     | {
         /**
          * Prohibited link texts
@@ -1180,6 +1247,7 @@ export interface ConfigurationStrict {
    */
   "descriptive-link-text"?:
     | boolean
+    | "error"
     | {
         /**
          * Prohibited link texts
@@ -1191,6 +1259,7 @@ export interface ConfigurationStrict {
    */
   MD060?:
     | boolean
+    | "error"
     | {
         /**
          * Table column style
@@ -1202,6 +1271,7 @@ export interface ConfigurationStrict {
    */
   "table-column-style"?:
     | boolean
+    | "error"
     | {
         /**
          * Table column style
diff --git a/schema/build-config-schema.mjs b/schema/build-config-schema.mjs
index d9ef9803..c61938d7 100644
--- a/schema/build-config-schema.mjs
+++ b/schema/build-config-schema.mjs
@@ -19,6 +19,7 @@ const schema = {
   "$id": schemaUri,
   "title": "markdownlint configuration schema",
   "type": "object",
+  /** @type {Object.<string, object>} */
   "properties": {
     "$schema": {
       "description": "JSON Schema URI (expected by some editors)",
@@ -28,8 +29,8 @@ const schema = {
     "default": {
       "description": "Default state for all rules",
       "oneOf": [
-        { "type": "boolean" }
-        // { "enum": [ "error", "warning" ] }
+        { "type": "boolean" },
+        { "enum": [ "error" ] }
       ],
       "default": true
     },
@@ -49,6 +50,7 @@ const schema = {
     ]
   }
 };
+/** @type {Object.<string, string[]>} */
 const tags = {};
 
 // Add rules
@@ -63,11 +65,12 @@ for (const rule of rules) {
     "description":
       `${rule.names.join("/")} : ${rule.description} : ${rule.information}`,
     "oneOf": [
-      { "type": "boolean" }
-      // { "enum": [ "error", "warning" ] }
+      { "type": "boolean" },
+      { "enum": [ "error" ] }
     ],
     "default": true
   };
+  /** @type {{type: "object", additionalProperties: boolean, properties?: object}} */
   const subscheme = {
     "type": "object",
     "additionalProperties": false
diff --git a/schema/markdownlint-config-schema-strict.json b/schema/markdownlint-config-schema-strict.json
index 924f8857..a0c17904 100644
--- a/schema/markdownlint-config-schema-strict.json
+++ b/schema/markdownlint-config-schema-strict.json
@@ -14,6 +14,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -32,6 +37,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -52,6 +62,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -72,6 +87,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -100,6 +120,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -128,6 +153,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -155,6 +185,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -181,6 +216,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -190,6 +230,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -200,6 +245,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -232,6 +282,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -264,6 +319,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -295,6 +355,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -326,6 +391,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -360,6 +430,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -393,6 +468,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -402,6 +482,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -412,6 +497,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -433,6 +523,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -454,6 +549,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -512,6 +612,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -569,6 +674,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -578,6 +688,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -587,6 +702,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -596,6 +716,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -605,6 +730,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -614,6 +744,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -623,6 +758,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -632,6 +772,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -641,6 +786,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -650,6 +800,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -660,6 +815,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -699,6 +859,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -737,6 +902,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -746,6 +916,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -756,6 +931,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -776,6 +956,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -796,6 +981,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -823,6 +1013,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -850,6 +1045,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -877,6 +1077,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -897,6 +1102,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -917,6 +1127,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -937,6 +1152,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -956,6 +1176,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -965,6 +1190,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -975,6 +1205,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1001,6 +1236,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1027,6 +1267,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1066,6 +1311,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1105,6 +1355,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1125,6 +1380,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1144,6 +1404,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -1153,6 +1418,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -1163,6 +1433,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1194,6 +1469,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1224,6 +1504,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -1233,6 +1518,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -1243,6 +1533,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1263,6 +1558,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1283,6 +1583,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1303,6 +1608,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1322,6 +1632,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -1331,6 +1646,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -1340,6 +1660,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -1349,6 +1674,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -1358,6 +1688,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -1367,6 +1702,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -1377,6 +1717,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1405,6 +1750,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1433,6 +1783,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1465,6 +1820,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1497,6 +1857,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1528,6 +1893,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -1537,6 +1907,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -1547,6 +1922,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1576,6 +1956,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1605,6 +1990,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1638,6 +2028,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1670,6 +2065,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -1679,6 +2079,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -1689,6 +2094,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1714,6 +2124,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1738,6 +2153,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -1747,6 +2167,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -1757,6 +2182,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1782,6 +2212,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1807,6 +2242,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1832,6 +2272,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1857,6 +2302,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1882,6 +2332,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1907,6 +2362,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1932,6 +2392,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1957,6 +2422,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1987,6 +2457,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -2017,6 +2492,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -2042,6 +2522,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -2067,6 +2552,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -2112,6 +2602,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -2157,6 +2652,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -2184,6 +2684,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -2210,6 +2715,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -2219,6 +2729,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -2228,6 +2743,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -2237,6 +2757,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -2247,6 +2772,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -2275,6 +2805,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -2303,6 +2838,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -2329,6 +2869,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
diff --git a/schema/markdownlint-config-schema.json b/schema/markdownlint-config-schema.json
index 6241f3c6..e773c31f 100644
--- a/schema/markdownlint-config-schema.json
+++ b/schema/markdownlint-config-schema.json
@@ -14,6 +14,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -32,6 +37,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -52,6 +62,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -72,6 +87,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -100,6 +120,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -128,6 +153,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -155,6 +185,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -181,6 +216,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -190,6 +230,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -200,6 +245,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -232,6 +282,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -264,6 +319,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -295,6 +355,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -326,6 +391,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -360,6 +430,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -393,6 +468,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -402,6 +482,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -412,6 +497,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -433,6 +523,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -454,6 +549,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -512,6 +612,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -569,6 +674,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -578,6 +688,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -587,6 +702,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -596,6 +716,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -605,6 +730,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -614,6 +744,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -623,6 +758,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -632,6 +772,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -641,6 +786,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -650,6 +800,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -660,6 +815,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -699,6 +859,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -737,6 +902,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -746,6 +916,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -756,6 +931,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -776,6 +956,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -796,6 +981,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -823,6 +1013,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -850,6 +1045,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -877,6 +1077,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -897,6 +1102,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -917,6 +1127,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -937,6 +1152,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -956,6 +1176,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -965,6 +1190,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -975,6 +1205,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1001,6 +1236,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1027,6 +1267,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1066,6 +1311,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1105,6 +1355,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1125,6 +1380,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1144,6 +1404,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -1153,6 +1418,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -1163,6 +1433,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1194,6 +1469,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1224,6 +1504,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -1233,6 +1518,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -1243,6 +1533,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1263,6 +1558,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1283,6 +1583,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1303,6 +1608,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1322,6 +1632,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -1331,6 +1646,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -1340,6 +1660,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -1349,6 +1674,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -1358,6 +1688,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -1367,6 +1702,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -1377,6 +1717,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1405,6 +1750,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1433,6 +1783,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1465,6 +1820,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1497,6 +1857,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1528,6 +1893,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -1537,6 +1907,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -1547,6 +1922,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1576,6 +1956,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1605,6 +1990,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1638,6 +2028,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1670,6 +2065,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -1679,6 +2079,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -1689,6 +2094,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1714,6 +2124,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1738,6 +2153,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -1747,6 +2167,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -1757,6 +2182,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1782,6 +2212,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1807,6 +2242,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1832,6 +2272,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1857,6 +2302,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1882,6 +2332,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1907,6 +2362,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1932,6 +2392,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1957,6 +2422,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -1987,6 +2457,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -2017,6 +2492,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -2042,6 +2522,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -2067,6 +2552,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -2112,6 +2602,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -2157,6 +2652,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -2184,6 +2684,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -2210,6 +2715,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -2219,6 +2729,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -2228,6 +2743,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -2237,6 +2757,11 @@
       "oneOf": [
         {
           "type": "boolean"
+        },
+        {
+          "enum": [
+            "error"
+          ]
         }
       ],
       "default": true
@@ -2247,6 +2772,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -2275,6 +2805,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -2303,6 +2838,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -2329,6 +2869,11 @@
         {
           "type": "boolean"
         },
+        {
+          "enum": [
+            "error"
+          ]
+        },
         {
           "type": "object",
           "additionalProperties": false,
diff --git a/test/esm-helpers.mjs b/test/esm-helpers.mjs
index be66c994..a31e4979 100644
--- a/test/esm-helpers.mjs
+++ b/test/esm-helpers.mjs
@@ -4,11 +4,13 @@ import fs from "node:fs/promises";
 import path from "node:path";
 import { fileURLToPath } from "node:url";
 
+/* eslint-disable jsdoc/no-undefined-types */
+
 /**
  * Gets the file name of the current module.
  * Shims import.meta.filename for Node 18.
  *
- * @param {Object} meta ESM import.meta object.
+ * @param {ImportMeta} meta ESM import.meta object.
  * @returns {string} File name.
  */
 // eslint-disable-next-line no-underscore-dangle
@@ -18,7 +20,7 @@ export const __filename = (meta) => fileURLToPath(meta.url);
  * Gets the directory name of the current module.
  * Shims import.meta.dirname for Node 18.
  *
- * @param {Object} meta ESM import.meta object.
+ * @param {ImportMeta} meta ESM import.meta object.
  * @returns {string} Directory name.
  */
 // eslint-disable-next-line no-underscore-dangle
@@ -28,9 +30,9 @@ export const __dirname = (meta) => path.dirname(__filename(meta));
  * Imports a file as JSON.
  * Avoids "ExperimentalWarning: Importing JSON modules is an experimental feature and might change at any time".
  *
- * @param {Object} meta ESM import.meta object.
+ * @param {ImportMeta} meta ESM import.meta object.
  * @param {string} file JSON file to import.
- * @returns {Promise<Object>} JSON object.
+ * @returns {Promise<any>} JSON object.
  */
 export const importWithTypeJson = async(meta, file) => (
   // @ts-ignore
diff --git a/test/markdownlint-test.mjs b/test/markdownlint-test.mjs
index 7345fab5..e908d67c 100644
--- a/test/markdownlint-test.mjs
+++ b/test/markdownlint-test.mjs
@@ -22,7 +22,9 @@ import * as constants from "../lib/constants.mjs";
 import rules from "../lib/rules.mjs";
 import customRules from "./rules/rules.cjs";
 import { __dirname, importWithTypeJson } from "./esm-helpers.mjs";
+/** @type {{exports: Object.<string, string>, homepage: string, version: string}} */
 const packageJson = await importWithTypeJson(import.meta, "../package.json");
+/** @type {{$id: string, properties: Object<string, any>}} */
 const configSchema = await importWithTypeJson(import.meta, "../schema/markdownlint-config-schema.json");
 const configSchemaStrict = await importWithTypeJson(import.meta, "../schema/markdownlint-config-schema-strict.json");
 
@@ -31,6 +33,10 @@ const ajvOptions = {
   "allowUnionTypes": true
 };
 
+/** @typedef {import("ava").ImplementationFn<[]>} ImplementationFn */
+/** @typedef {import("markdownlint").Configuration} Configuration */
+/** @typedef {import("markdownlint").LintResults} LintResults */
+
 /**
  * Gets an instance of a markdown-it factory, suitable for use with options.markdownItFactory.
  *
@@ -140,90 +146,98 @@ test("inputOnlyNewline", (t) => new Promise((resolve) => {
   });
 }));
 
-test("defaultTrue", (t) => new Promise((resolve) => {
-  t.plan(2);
-  const options = {
-    "files": [
-      "./test/atx_heading_spacing.md",
-      "./test/first_heading_bad_atx.md"
-    ],
-    "config": {
-      "default": true
-    },
-    "noInlineConfig": true,
-    "resultVersion": 0
-  };
-  lintAsync(options, function callback(err, actualResult) {
-    t.falsy(err);
-    const expectedResult = {
-      "./test/atx_heading_spacing.md": {
-        "MD018": [ 1 ],
-        "MD019": [ 3, 5 ],
-        "MD041": [ 1 ]
-      },
-      "./test/first_heading_bad_atx.md": {
-        "MD041": [ 1 ]
-      }
-    };
-    // @ts-ignore
-    t.deepEqual(actualResult, expectedResult, "Undetected issues.");
-    resolve();
-  });
-}));
+/** @typedef {Object<string, string[]>} NormalizedLintResults */
 
-test("defaultFalse", (t) => new Promise((resolve) => {
-  t.plan(2);
-  const options = {
-    "files": [
-      "./test/atx_heading_spacing.md",
-      "./test/first_heading_bad_atx.md"
-    ],
-    "config": {
-      "default": false
-    },
-    "noInlineConfig": true,
-    "resultVersion": 0
-  };
-  lintAsync(options, function callback(err, actualResult) {
-    t.falsy(err);
-    const expectedResult = {
-      "./test/atx_heading_spacing.md": {},
-      "./test/first_heading_bad_atx.md": {}
-    };
-    // @ts-ignore
-    t.deepEqual(actualResult, expectedResult, "Undetected issues.");
-    resolve();
-  });
-}));
+/**
+ * Normalizes LintResults.
+ *
+ * @param {LintResults} results LintResults.
+ * @returns {NormalizedLintResults} Normalized LintResults.
+ */
+function normalizeLintResults(results) {
+  return Object.fromEntries(
+    Object.entries(results).map(
+      ([ source, errors ]) => [
+        source, errors.map(
+          ({ lineNumber, ruleNames }) => `${ruleNames[0]} ${lineNumber}`
+        )
+      ]
+    )
+  );
+}
 
-test("defaultUndefined", (t) => new Promise((resolve) => {
-  t.plan(2);
-  const options = {
-    "files": [
-      "./test/atx_heading_spacing.md",
-      "./test/first_heading_bad_atx.md"
-    ],
-    "config": {},
-    "noInlineConfig": true,
-    "resultVersion": 0
-  };
-  lintAsync(options, function callback(err, actualResult) {
-    t.falsy(err);
-    const expectedResult = {
-      "./test/atx_heading_spacing.md": {
-        "MD018": [ 1 ],
-        "MD019": [ 3, 5 ],
-        "MD041": [ 1 ]
-      },
-      "./test/first_heading_bad_atx.md": {
-        "MD041": [ 1 ]
-      }
+/**
+ * Gets a Configuration default value test implementation.
+ *
+ * @param {(config: Configuration) => void} setDefault Sets the value of the Configuration default value.
+ * @param {NormalizedLintResults} expected Expected result.
+ * @returns {ImplementationFn} Test implementation.
+ */
+function getConfigDefaultTestImplementation(setDefault, expected) {
+  return async(t) => {
+    t.plan(1);
+    const options = {
+      "files": [
+        "./test/atx_heading_spacing.md",
+        "./test/first_heading_bad_atx.md"
+      ],
+      "config": {},
+      "noInlineConfig": true
     };
-    // @ts-ignore
-    t.deepEqual(actualResult, expectedResult, "Undetected issues.");
-    resolve();
-  });
-}));
+    setDefault(options.config);
+    const actual = await lintPromise(options);
+    t.deepEqual(normalizeLintResults(actual), expected);
+  };
+}
+
+const configDefaultTestExpectedEnabled = {
+  "./test/atx_heading_spacing.md": [
+    "MD018 1",
+    "MD019 3",
+    "MD019 5",
+    "MD041 1"
+  ],
+  "./test/first_heading_bad_atx.md": [
+    "MD041 1"
+  ]
+};
+
+const configDefaultTestExpectedDisabled = {
+  "./test/atx_heading_spacing.md": [],
+  "./test/first_heading_bad_atx.md": []
+};
+
+test("defaultTrue", getConfigDefaultTestImplementation(
+  (config) => (config.default = true),
+  configDefaultTestExpectedEnabled
+));
+
+test("defaultFalse", getConfigDefaultTestImplementation(
+  (config) => (config.default = false),
+  configDefaultTestExpectedDisabled
+));
+
+test("defaultError", getConfigDefaultTestImplementation(
+  (config) => (config.default = "error"),
+  configDefaultTestExpectedEnabled
+));
+
+test("defaultWarning", getConfigDefaultTestImplementation(
+  // @ts-ignore
+  (config) => (config.default = "warning"),
+  configDefaultTestExpectedEnabled
+));
+
+test("defaultOff", getConfigDefaultTestImplementation(
+  // @ts-ignore
+  (config) => (config.default = "off"),
+  configDefaultTestExpectedEnabled
+));
+
+test("defaultUnset", getConfigDefaultTestImplementation(
+  () => {},
+  configDefaultTestExpectedEnabled
+));
 
 test("disableRules", (t) => new Promise((resolve) => {
   t.plan(2);
@@ -802,6 +816,7 @@ test("customFileSystemSync", (t) => {
   t.plan(2);
   const file = "/dir/file.md";
   const fsApi = {
+    // @ts-ignore
     "readFileSync": (p) => {
       t.is(p, file);
       return "# Heading";
@@ -818,6 +833,7 @@ test("customFileSystemAsync", (t) => new Promise((resolve) => {
   t.plan(3);
   const file = "/dir/file.md";
   const fsApi = {
+    // @ts-ignore
     "readFile": (p, o, cb) => {
       t.is(p, file);
       cb(null, "# Heading");
@@ -836,6 +852,7 @@ test("customFileSystemAsync", (t) => new Promise((resolve) => {
 
 test("readme", async(t) => {
   t.plan(132);
+  /** @type {Object.<string, string[]>} */
   const tagToRules = {};
   for (const rule of rules) {
     for (const tag of rule.tags) {
@@ -894,7 +911,7 @@ test("readme", async(t) => {
       } else if (inTags) {
         const parts =
           token.content.replace(/[`*]/g, "").split(/ - |, |,\n/);
-        const tag = parts.shift();
+        const tag = parts.shift() || "";
         t.deepEqual(parts, tagToRules[tag] || [],
           "Rule mismatch for tag " + tag + ".");
         delete tagToRules[tag];
@@ -1248,6 +1265,7 @@ test("token-map-spans", (t) => {
         "tags": [ "tms" ],
         "parser": "markdownit",
         "function": function tokenMapSpans(params) {
+          /** @type {number[]} */
           const tokenLines = [];
           let lastLineNumber = -1;
           const inlines = params.parsers.markdownit.tokens.filter(