diff --git a/output/schema/schema.json b/output/schema/schema.json
index 62ed4501b4..fa5d81a480 100644
--- a/output/schema/schema.json
+++ b/output/schema/schema.json
@@ -49583,19 +49583,10 @@
           "name": "preserve_original",
           "required": false,
           "type": {
-            "generics": [
-              {
-                "kind": "instance_of",
-                "type": {
-                  "name": "boolean",
-                  "namespace": "_builtins"
-                }
-              }
-            ],
             "kind": "instance_of",
             "type": {
-              "name": "Stringified",
-              "namespace": "_spec_utils"
+              "name": "boolean",
+              "namespace": "_builtins"
             }
           }
         }
@@ -50289,19 +50280,10 @@
           "name": "preserve_original",
           "required": false,
           "type": {
-            "generics": [
-              {
-                "kind": "instance_of",
-                "type": {
-                  "name": "boolean",
-                  "namespace": "_builtins"
-                }
-              }
-            ],
             "kind": "instance_of",
             "type": {
-              "name": "Stringified",
-              "namespace": "_spec_utils"
+              "name": "boolean",
+              "namespace": "_builtins"
             }
           }
         }
@@ -52272,19 +52254,10 @@
           "name": "preserve_original",
           "required": false,
           "type": {
-            "generics": [
-              {
-                "kind": "instance_of",
-                "type": {
-                  "name": "boolean",
-                  "namespace": "_builtins"
-                }
-              }
-            ],
             "kind": "instance_of",
             "type": {
-              "name": "Stringified",
-              "namespace": "_spec_utils"
+              "name": "boolean",
+              "namespace": "_builtins"
             }
           }
         }
@@ -52338,19 +52311,10 @@
           "name": "preserve_original",
           "required": false,
           "type": {
-            "generics": [
-              {
-                "kind": "instance_of",
-                "type": {
-                  "name": "boolean",
-                  "namespace": "_builtins"
-                }
-              }
-            ],
             "kind": "instance_of",
             "type": {
-              "name": "Stringified",
-              "namespace": "_spec_utils"
+              "name": "boolean",
+              "namespace": "_builtins"
             }
           }
         }
@@ -52844,19 +52808,10 @@
           "name": "preserve_original",
           "required": false,
           "type": {
-            "generics": [
-              {
-                "kind": "instance_of",
-                "type": {
-                  "name": "boolean",
-                  "namespace": "_builtins"
-                }
-              }
-            ],
             "kind": "instance_of",
             "type": {
-              "name": "Stringified",
-              "namespace": "_spec_utils"
+              "name": "boolean",
+              "namespace": "_builtins"
             }
           }
         }
@@ -55134,19 +55089,10 @@
           "name": "preserve_original",
           "required": false,
           "type": {
-            "generics": [
-              {
-                "kind": "instance_of",
-                "type": {
-                  "name": "boolean",
-                  "namespace": "_builtins"
-                }
-              }
-            ],
             "kind": "instance_of",
             "type": {
-              "name": "Stringified",
-              "namespace": "_spec_utils"
+              "name": "boolean",
+              "namespace": "_builtins"
             }
           }
         },
@@ -55316,19 +55262,10 @@
           "name": "preserve_original",
           "required": false,
           "type": {
-            "generics": [
-              {
-                "kind": "instance_of",
-                "type": {
-                  "name": "boolean",
-                  "namespace": "_builtins"
-                }
-              }
-            ],
             "kind": "instance_of",
             "type": {
-              "name": "Stringified",
-              "namespace": "_spec_utils"
+              "name": "boolean",
+              "namespace": "_builtins"
             }
           }
         },
@@ -96432,21 +96369,12 @@
           "description": "Indicates whether or not the index has been rolled over. Automatically set to true when ILM completes the rollover action.\nYou can explicitly set it to skip rollover.",
           "name": "indexing_complete",
           "required": false,
-          "serverDefault": "false",
+          "serverDefault": false,
           "type": {
-            "generics": [
-              {
-                "kind": "instance_of",
-                "type": {
-                  "name": "boolean",
-                  "namespace": "_builtins"
-                }
-              }
-            ],
             "kind": "instance_of",
             "type": {
-              "name": "Stringified",
-              "namespace": "_spec_utils"
+              "name": "boolean",
+              "namespace": "_builtins"
             }
           }
         },
diff --git a/output/typescript/types.ts b/output/typescript/types.ts
index b1f0269b2e..159a6ac2f9 100644
--- a/output/typescript/types.ts
+++ b/output/typescript/types.ts
@@ -3800,7 +3800,7 @@ export type AnalysisAnalyzer = AnalysisCustomAnalyzer | AnalysisFingerprintAnaly
 
 export interface AnalysisAsciiFoldingTokenFilter extends AnalysisTokenFilterBase {
   type: 'asciifolding'
-  preserve_original?: SpecUtilsStringified<boolean>
+  preserve_original?: boolean
 }
 
 export type AnalysisCharFilter = string | AnalysisCharFilterDefinition
@@ -3880,7 +3880,7 @@ export interface AnalysisEdgeNGramTokenFilter extends AnalysisTokenFilterBase {
   max_gram?: integer
   min_gram?: integer
   side?: AnalysisEdgeNGramSide
-  preserve_original?: SpecUtilsStringified<boolean>
+  preserve_original?: boolean
 }
 
 export interface AnalysisEdgeNGramTokenizer extends AnalysisTokenizerBase {
@@ -4119,14 +4119,14 @@ export interface AnalysisMappingCharFilter extends AnalysisCharFilterBase {
 export interface AnalysisMultiplexerTokenFilter extends AnalysisTokenFilterBase {
   type: 'multiplexer'
   filters: string[]
-  preserve_original?: SpecUtilsStringified<boolean>
+  preserve_original?: boolean
 }
 
 export interface AnalysisNGramTokenFilter extends AnalysisTokenFilterBase {
   type: 'ngram'
   max_gram?: integer
   min_gram?: integer
-  preserve_original?: SpecUtilsStringified<boolean>
+  preserve_original?: boolean
 }
 
 export interface AnalysisNGramTokenizer extends AnalysisTokenizerBase {
@@ -4183,7 +4183,7 @@ export interface AnalysisPatternAnalyzer {
 export interface AnalysisPatternCaptureTokenFilter extends AnalysisTokenFilterBase {
   type: 'pattern_capture'
   patterns: string[]
-  preserve_original?: SpecUtilsStringified<boolean>
+  preserve_original?: boolean
 }
 
 export interface AnalysisPatternReplaceCharFilter extends AnalysisCharFilterBase {
@@ -4396,7 +4396,7 @@ export interface AnalysisWordDelimiterGraphTokenFilter extends AnalysisTokenFilt
   generate_number_parts?: boolean
   generate_word_parts?: boolean
   ignore_keywords?: boolean
-  preserve_original?: SpecUtilsStringified<boolean>
+  preserve_original?: boolean
   protected_words?: string[]
   protected_words_path?: string
   split_on_case_change?: boolean
@@ -4413,7 +4413,7 @@ export interface AnalysisWordDelimiterTokenFilter extends AnalysisTokenFilterBas
   catenate_words?: boolean
   generate_number_parts?: boolean
   generate_word_parts?: boolean
-  preserve_original?: SpecUtilsStringified<boolean>
+  preserve_original?: boolean
   protected_words?: string[]
   protected_words_path?: string
   split_on_case_change?: boolean
@@ -9155,7 +9155,7 @@ export interface IndicesIndexSettingsAnalysis {
 
 export interface IndicesIndexSettingsLifecycle {
   name: Name
-  indexing_complete?: SpecUtilsStringified<boolean>
+  indexing_complete?: boolean
   origination_date?: long
   parse_origination_date?: boolean
   step?: IndicesIndexSettingsLifecycleStep
diff --git a/specification/_types/analysis/token_filters.ts b/specification/_types/analysis/token_filters.ts
index d6e1ac4a0a..9f1ed0d35f 100644
--- a/specification/_types/analysis/token_filters.ts
+++ b/specification/_types/analysis/token_filters.ts
@@ -80,7 +80,7 @@ export class EdgeNGramTokenFilter extends TokenFilterBase {
   max_gram?: integer
   min_gram?: integer
   side?: EdgeNGramSide
-  preserve_original?: Stringified<boolean>
+  preserve_original?: boolean
 }
 
 export class ShingleTokenFilter extends TokenFilterBase {
@@ -135,7 +135,7 @@ export class WordDelimiterTokenFilter extends TokenFilterBase {
   catenate_words?: boolean
   generate_number_parts?: boolean
   generate_word_parts?: boolean
-  preserve_original?: Stringified<boolean>
+  preserve_original?: boolean
   protected_words?: string[]
   protected_words_path?: string
   split_on_case_change?: boolean
@@ -154,7 +154,7 @@ export class WordDelimiterGraphTokenFilter extends TokenFilterBase {
   generate_number_parts?: boolean
   generate_word_parts?: boolean
   ignore_keywords?: boolean
-  preserve_original?: Stringified<boolean>
+  preserve_original?: boolean
   protected_words?: string[]
   protected_words_path?: string
   split_on_case_change?: boolean
@@ -166,7 +166,7 @@ export class WordDelimiterGraphTokenFilter extends TokenFilterBase {
 
 export class AsciiFoldingTokenFilter extends TokenFilterBase {
   type: 'asciifolding'
-  preserve_original?: Stringified<boolean>
+  preserve_original?: boolean
 }
 
 export class CommonGramsTokenFilter extends TokenFilterBase {
@@ -259,14 +259,14 @@ export class LowercaseTokenFilter extends TokenFilterBase {
 export class MultiplexerTokenFilter extends TokenFilterBase {
   type: 'multiplexer'
   filters: string[]
-  preserve_original?: Stringified<boolean>
+  preserve_original?: boolean
 }
 
 export class NGramTokenFilter extends TokenFilterBase {
   type: 'ngram'
   max_gram?: integer
   min_gram?: integer
-  preserve_original?: Stringified<boolean>
+  preserve_original?: boolean
 }
 
 export class NoriPartOfSpeechTokenFilter extends TokenFilterBase {
@@ -277,7 +277,7 @@ export class NoriPartOfSpeechTokenFilter extends TokenFilterBase {
 export class PatternCaptureTokenFilter extends TokenFilterBase {
   type: 'pattern_capture'
   patterns: string[]
-  preserve_original?: Stringified<boolean>
+  preserve_original?: boolean
 }
 
 export class PatternReplaceTokenFilter extends TokenFilterBase {
diff --git a/specification/indices/_types/IndexSettings.ts b/specification/indices/_types/IndexSettings.ts
index 56bea2f9c1..0a7459e42d 100644
--- a/specification/indices/_types/IndexSettings.ts
+++ b/specification/indices/_types/IndexSettings.ts
@@ -344,7 +344,7 @@ export class IndexSettingsLifecycle {
    * You can explicitly set it to skip rollover.
    * @server_default false
    */
-  indexing_complete?: Stringified<boolean>
+  indexing_complete?: boolean
   /**
    * If specified, this is the timestamp used to calculate the index age for its phase transitions. Use this setting
    * if you create a new index that contains old data and want to use the original creation date to calculate the index