From 7332f9f1daf946248920c60c50ee1dcd3f966d6b Mon Sep 17 00:00:00 2001
From: Ruslan Farkhutdinov <ruslan.farkhutdinov@devexpress.com>
Date: Tue, 6 Jan 2026 15:31:30 +0200
Subject: [PATCH 1/3] Validator: Update validationCallback value parameter type
 (T1317117)

---
 packages/devextreme/js/common.d.ts | 16 ++++++++--------
 packages/devextreme/ts/dx.all.d.ts | 14 ++++++++------
 2 files changed, 16 insertions(+), 14 deletions(-)

diff --git a/packages/devextreme/js/common.d.ts b/packages/devextreme/js/common.d.ts
index 7d8a176c4123..e2a681bfd08f 100644
--- a/packages/devextreme/js/common.d.ts
+++ b/packages/devextreme/js/common.d.ts
@@ -29,7 +29,7 @@ export type ApplyValueMode = 'instantly' | 'useButtons';
  * @namespace DevExpress.common
  * @type object
  */
-export type AsyncRule = {
+export type AsyncRule<TValue = unknown> = {
   /**
   * @docid
   * @default false
@@ -58,7 +58,7 @@ export type AsyncRule = {
   * @docid
   * @type_function_return Promise<any>
   * @type_function_param1 options:object
-  * @type_function_param1_field value:string|number
+  * @type_function_param1_field value:unknown
   * @type_function_param1_field rule:object
   * @type_function_param1_field validator:object
   * @type_function_param1_field data:object
@@ -66,7 +66,7 @@ export type AsyncRule = {
   * @type_function_param1_field formItem:object
   * @public
   */
-  validationCallback?: ((options: ValidationCallbackData) => PromiseLike<any>);
+  validationCallback?: ((options: ValidationCallbackData<TValue>) => PromiseLike<any>);
 };
 
 /**
@@ -132,7 +132,7 @@ export type ComparisonOperator = '!=' | '!==' | '<' | '<=' | '==' | '===' | '>'
  * @type object
  * @namespace DevExpress.common
  */
-export type CustomRule = {
+export type CustomRule<TValue = unknown> = {
   /**
   * @docid
   * @default false
@@ -160,7 +160,7 @@ export type CustomRule = {
   /**
   * @docid
   * @type_function_param1 options:object
-  * @type_function_param1_field value:string|number
+  * @type_function_param1_field value:unknown
   * @type_function_param1_field rule:object
   * @type_function_param1_field validator:object
   * @type_function_param1_field data:object
@@ -168,7 +168,7 @@ export type CustomRule = {
   * @type_function_param1_field formItem:object
   * @public
   */
-  validationCallback?: ((options: ValidationCallbackData) => boolean);
+  validationCallback?: ((options: ValidationCallbackData<TValue>) => boolean);
 };
 
 /**
@@ -815,8 +815,8 @@ export type TooltipShowMode = 'always' | 'onHover';
  * @public
  * @namespace DevExpress.common
  */
-export type ValidationCallbackData = {
-  value?: any;
+export type ValidationCallbackData<TValue = unknown> = {
+  value?: TValue;
   rule: any;
   validator: any;
   data?: any;
diff --git a/packages/devextreme/ts/dx.all.d.ts b/packages/devextreme/ts/dx.all.d.ts
index 4a7bc64f3a1c..f27e3c27c49d 100644
--- a/packages/devextreme/ts/dx.all.d.ts
+++ b/packages/devextreme/ts/dx.all.d.ts
@@ -1168,7 +1168,7 @@ declare module DevExpress.common {
   /**
    * [descr:AsyncRule]
    */
-  export type AsyncRule = {
+  export type AsyncRule<TValue = unknown> = {
     /**
      * [descr:AsyncRule.ignoreEmptyValue]
      */
@@ -1188,7 +1188,9 @@ declare module DevExpress.common {
     /**
      * [descr:AsyncRule.validationCallback]
      */
-    validationCallback?: (options: ValidationCallbackData) => PromiseLike<any>;
+    validationCallback?: (
+      options: ValidationCallbackData<TValue>
+    ) => PromiseLike<any>;
   };
   export type ButtonStyle = 'text' | 'outlined' | 'contained';
   export type ButtonType = 'danger' | 'default' | 'normal' | 'success';
@@ -1229,7 +1231,7 @@ declare module DevExpress.common {
   /**
    * [descr:CustomRule]
    */
-  export type CustomRule = {
+  export type CustomRule<TValue = unknown> = {
     /**
      * [descr:CustomRule.ignoreEmptyValue]
      */
@@ -1249,7 +1251,7 @@ declare module DevExpress.common {
     /**
      * [descr:CustomRule.validationCallback]
      */
-    validationCallback?: (options: ValidationCallbackData) => boolean;
+    validationCallback?: (options: ValidationCallbackData<TValue>) => boolean;
   };
   /**
    * @deprecated Attention! This type is for internal purposes only. If you used it previously, please submit a ticket to our {@link https://supportcenter.devexpress.com/ticket/create Support Center}. We will check if there is an alternative solution.
@@ -1724,8 +1726,8 @@ declare module DevExpress.common {
     | 'dxTextBox';
   export type ToolbarItemLocation = 'after' | 'before' | 'center';
   export type TooltipShowMode = 'always' | 'onHover';
-  export type ValidationCallbackData = {
-    value?: any;
+  export type ValidationCallbackData<TValue = unknown> = {
+    value?: TValue;
     rule: any;
     validator: any;
     data?: any;

From 1f86d6daef13b2c4be0fbbf99fc002b3d4c31556 Mon Sep 17 00:00:00 2001
From: Ruslan Farkhutdinov <ruslan.farkhutdinov@devexpress.com>
Date: Thu, 8 Jan 2026 18:26:16 +0200
Subject: [PATCH 2/3] Validator: Generate wrappers

---
 .../src/ui/card-view/nested/async-rule-dxi.ts               | 4 ++--
 .../src/ui/card-view/nested/custom-rule-dxi.ts              | 4 ++--
 .../src/ui/card-view/nested/validation-rule-dxi.ts          | 4 ++--
 .../src/ui/data-grid/nested/async-rule-dxi.ts               | 4 ++--
 .../src/ui/data-grid/nested/custom-rule-dxi.ts              | 4 ++--
 .../src/ui/data-grid/nested/validation-rule-dxi.ts          | 4 ++--
 .../devextreme-angular/src/ui/form/nested/async-rule-dxi.ts | 4 ++--
 .../src/ui/form/nested/custom-rule-dxi.ts                   | 4 ++--
 .../src/ui/form/nested/validation-rule-dxi.ts               | 4 ++--
 .../src/ui/scheduler/nested/async-rule-dxi.ts               | 4 ++--
 .../src/ui/scheduler/nested/custom-rule-dxi.ts              | 4 ++--
 .../src/ui/scheduler/nested/validation-rule-dxi.ts          | 4 ++--
 .../src/ui/tree-list/nested/async-rule-dxi.ts               | 4 ++--
 .../src/ui/tree-list/nested/custom-rule-dxi.ts              | 4 ++--
 .../src/ui/tree-list/nested/validation-rule-dxi.ts          | 4 ++--
 .../src/ui/validator/nested/async-rule-dxi.ts               | 4 ++--
 .../src/ui/validator/nested/custom-rule-dxi.ts              | 4 ++--
 .../src/ui/validator/nested/validation-rule-dxi.ts          | 4 ++--
 packages/devextreme-react/src/card-view.ts                  | 6 +++---
 packages/devextreme-react/src/data-grid.ts                  | 6 +++---
 packages/devextreme-react/src/form.ts                       | 6 +++---
 packages/devextreme-react/src/scheduler.ts                  | 6 +++---
 packages/devextreme-react/src/tree-list.ts                  | 6 +++---
 packages/devextreme-react/src/validator.ts                  | 6 +++---
 packages/devextreme-vue/src/card-view.ts                    | 6 +++---
 packages/devextreme-vue/src/data-grid.ts                    | 6 +++---
 packages/devextreme-vue/src/form.ts                         | 6 +++---
 packages/devextreme-vue/src/scheduler.ts                    | 6 +++---
 packages/devextreme-vue/src/tree-list.ts                    | 6 +++---
 packages/devextreme-vue/src/validator.ts                    | 6 +++---
 30 files changed, 72 insertions(+), 72 deletions(-)

diff --git a/packages/devextreme-angular/src/ui/card-view/nested/async-rule-dxi.ts b/packages/devextreme-angular/src/ui/card-view/nested/async-rule-dxi.ts
index dc3f6264612f..c15e0ba8e463 100644
--- a/packages/devextreme-angular/src/ui/card-view/nested/async-rule-dxi.ts
+++ b/packages/devextreme-angular/src/ui/card-view/nested/async-rule-dxi.ts
@@ -70,10 +70,10 @@ export class DxiCardViewAsyncRuleComponent extends CollectionNestedOption {
     }
 
     @Input()
-    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => any) {
+    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => any) {
         return this._getOption('validationCallback');
     }
-    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => any)) {
+    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => any)) {
         this._setOption('validationCallback', value);
     }
 
diff --git a/packages/devextreme-angular/src/ui/card-view/nested/custom-rule-dxi.ts b/packages/devextreme-angular/src/ui/card-view/nested/custom-rule-dxi.ts
index 9daa43a07bb2..bed686bdfc37 100644
--- a/packages/devextreme-angular/src/ui/card-view/nested/custom-rule-dxi.ts
+++ b/packages/devextreme-angular/src/ui/card-view/nested/custom-rule-dxi.ts
@@ -70,10 +70,10 @@ export class DxiCardViewCustomRuleComponent extends CollectionNestedOption {
     }
 
     @Input()
-    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean) {
+    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean) {
         return this._getOption('validationCallback');
     }
-    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean)) {
+    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean)) {
         this._setOption('validationCallback', value);
     }
 
diff --git a/packages/devextreme-angular/src/ui/card-view/nested/validation-rule-dxi.ts b/packages/devextreme-angular/src/ui/card-view/nested/validation-rule-dxi.ts
index b2ee2b0894f6..91f01749ad95 100644
--- a/packages/devextreme-angular/src/ui/card-view/nested/validation-rule-dxi.ts
+++ b/packages/devextreme-angular/src/ui/card-view/nested/validation-rule-dxi.ts
@@ -94,10 +94,10 @@ export class DxiCardViewValidationRuleComponent extends CollectionNestedOption {
     }
 
     @Input()
-    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean) {
+    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean) {
         return this._getOption('validationCallback');
     }
-    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean)) {
+    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean)) {
         this._setOption('validationCallback', value);
     }
 
diff --git a/packages/devextreme-angular/src/ui/data-grid/nested/async-rule-dxi.ts b/packages/devextreme-angular/src/ui/data-grid/nested/async-rule-dxi.ts
index d989a9137f40..ce447b3506b4 100644
--- a/packages/devextreme-angular/src/ui/data-grid/nested/async-rule-dxi.ts
+++ b/packages/devextreme-angular/src/ui/data-grid/nested/async-rule-dxi.ts
@@ -70,10 +70,10 @@ export class DxiDataGridAsyncRuleComponent extends CollectionNestedOption {
     }
 
     @Input()
-    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => any) {
+    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => any) {
         return this._getOption('validationCallback');
     }
-    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => any)) {
+    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => any)) {
         this._setOption('validationCallback', value);
     }
 
diff --git a/packages/devextreme-angular/src/ui/data-grid/nested/custom-rule-dxi.ts b/packages/devextreme-angular/src/ui/data-grid/nested/custom-rule-dxi.ts
index 7ac8006d2202..457ea1072946 100644
--- a/packages/devextreme-angular/src/ui/data-grid/nested/custom-rule-dxi.ts
+++ b/packages/devextreme-angular/src/ui/data-grid/nested/custom-rule-dxi.ts
@@ -70,10 +70,10 @@ export class DxiDataGridCustomRuleComponent extends CollectionNestedOption {
     }
 
     @Input()
-    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean) {
+    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean) {
         return this._getOption('validationCallback');
     }
-    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean)) {
+    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean)) {
         this._setOption('validationCallback', value);
     }
 
diff --git a/packages/devextreme-angular/src/ui/data-grid/nested/validation-rule-dxi.ts b/packages/devextreme-angular/src/ui/data-grid/nested/validation-rule-dxi.ts
index bd00be3f1976..d3cbad699b3d 100644
--- a/packages/devextreme-angular/src/ui/data-grid/nested/validation-rule-dxi.ts
+++ b/packages/devextreme-angular/src/ui/data-grid/nested/validation-rule-dxi.ts
@@ -94,10 +94,10 @@ export class DxiDataGridValidationRuleComponent extends CollectionNestedOption {
     }
 
     @Input()
-    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean) {
+    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean) {
         return this._getOption('validationCallback');
     }
-    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean)) {
+    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean)) {
         this._setOption('validationCallback', value);
     }
 
diff --git a/packages/devextreme-angular/src/ui/form/nested/async-rule-dxi.ts b/packages/devextreme-angular/src/ui/form/nested/async-rule-dxi.ts
index 171ea03357b2..3074a9622ea3 100644
--- a/packages/devextreme-angular/src/ui/form/nested/async-rule-dxi.ts
+++ b/packages/devextreme-angular/src/ui/form/nested/async-rule-dxi.ts
@@ -70,10 +70,10 @@ export class DxiFormAsyncRuleComponent extends CollectionNestedOption {
     }
 
     @Input()
-    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => any) {
+    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => any) {
         return this._getOption('validationCallback');
     }
-    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => any)) {
+    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => any)) {
         this._setOption('validationCallback', value);
     }
 
diff --git a/packages/devextreme-angular/src/ui/form/nested/custom-rule-dxi.ts b/packages/devextreme-angular/src/ui/form/nested/custom-rule-dxi.ts
index bcc0078ff120..654f712ca079 100644
--- a/packages/devextreme-angular/src/ui/form/nested/custom-rule-dxi.ts
+++ b/packages/devextreme-angular/src/ui/form/nested/custom-rule-dxi.ts
@@ -70,10 +70,10 @@ export class DxiFormCustomRuleComponent extends CollectionNestedOption {
     }
 
     @Input()
-    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean) {
+    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean) {
         return this._getOption('validationCallback');
     }
-    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean)) {
+    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean)) {
         this._setOption('validationCallback', value);
     }
 
diff --git a/packages/devextreme-angular/src/ui/form/nested/validation-rule-dxi.ts b/packages/devextreme-angular/src/ui/form/nested/validation-rule-dxi.ts
index beec413534e8..9aca7dd04c21 100644
--- a/packages/devextreme-angular/src/ui/form/nested/validation-rule-dxi.ts
+++ b/packages/devextreme-angular/src/ui/form/nested/validation-rule-dxi.ts
@@ -94,10 +94,10 @@ export class DxiFormValidationRuleComponent extends CollectionNestedOption {
     }
 
     @Input()
-    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean) {
+    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean) {
         return this._getOption('validationCallback');
     }
-    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean)) {
+    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean)) {
         this._setOption('validationCallback', value);
     }
 
diff --git a/packages/devextreme-angular/src/ui/scheduler/nested/async-rule-dxi.ts b/packages/devextreme-angular/src/ui/scheduler/nested/async-rule-dxi.ts
index 13f5b942527a..439c7bd5ddc3 100644
--- a/packages/devextreme-angular/src/ui/scheduler/nested/async-rule-dxi.ts
+++ b/packages/devextreme-angular/src/ui/scheduler/nested/async-rule-dxi.ts
@@ -70,10 +70,10 @@ export class DxiSchedulerAsyncRuleComponent extends CollectionNestedOption {
     }
 
     @Input()
-    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => any) {
+    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => any) {
         return this._getOption('validationCallback');
     }
-    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => any)) {
+    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => any)) {
         this._setOption('validationCallback', value);
     }
 
diff --git a/packages/devextreme-angular/src/ui/scheduler/nested/custom-rule-dxi.ts b/packages/devextreme-angular/src/ui/scheduler/nested/custom-rule-dxi.ts
index b678fe6c1017..0f96c4b432ab 100644
--- a/packages/devextreme-angular/src/ui/scheduler/nested/custom-rule-dxi.ts
+++ b/packages/devextreme-angular/src/ui/scheduler/nested/custom-rule-dxi.ts
@@ -70,10 +70,10 @@ export class DxiSchedulerCustomRuleComponent extends CollectionNestedOption {
     }
 
     @Input()
-    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean) {
+    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean) {
         return this._getOption('validationCallback');
     }
-    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean)) {
+    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean)) {
         this._setOption('validationCallback', value);
     }
 
diff --git a/packages/devextreme-angular/src/ui/scheduler/nested/validation-rule-dxi.ts b/packages/devextreme-angular/src/ui/scheduler/nested/validation-rule-dxi.ts
index 5eb9e017ef09..30e70a0a0ec1 100644
--- a/packages/devextreme-angular/src/ui/scheduler/nested/validation-rule-dxi.ts
+++ b/packages/devextreme-angular/src/ui/scheduler/nested/validation-rule-dxi.ts
@@ -94,10 +94,10 @@ export class DxiSchedulerValidationRuleComponent extends CollectionNestedOption
     }
 
     @Input()
-    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean) {
+    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean) {
         return this._getOption('validationCallback');
     }
-    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean)) {
+    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean)) {
         this._setOption('validationCallback', value);
     }
 
diff --git a/packages/devextreme-angular/src/ui/tree-list/nested/async-rule-dxi.ts b/packages/devextreme-angular/src/ui/tree-list/nested/async-rule-dxi.ts
index ab3881617768..52d59842ddfd 100644
--- a/packages/devextreme-angular/src/ui/tree-list/nested/async-rule-dxi.ts
+++ b/packages/devextreme-angular/src/ui/tree-list/nested/async-rule-dxi.ts
@@ -70,10 +70,10 @@ export class DxiTreeListAsyncRuleComponent extends CollectionNestedOption {
     }
 
     @Input()
-    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => any) {
+    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => any) {
         return this._getOption('validationCallback');
     }
-    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => any)) {
+    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => any)) {
         this._setOption('validationCallback', value);
     }
 
diff --git a/packages/devextreme-angular/src/ui/tree-list/nested/custom-rule-dxi.ts b/packages/devextreme-angular/src/ui/tree-list/nested/custom-rule-dxi.ts
index a818667bc673..f227aca19255 100644
--- a/packages/devextreme-angular/src/ui/tree-list/nested/custom-rule-dxi.ts
+++ b/packages/devextreme-angular/src/ui/tree-list/nested/custom-rule-dxi.ts
@@ -70,10 +70,10 @@ export class DxiTreeListCustomRuleComponent extends CollectionNestedOption {
     }
 
     @Input()
-    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean) {
+    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean) {
         return this._getOption('validationCallback');
     }
-    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean)) {
+    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean)) {
         this._setOption('validationCallback', value);
     }
 
diff --git a/packages/devextreme-angular/src/ui/tree-list/nested/validation-rule-dxi.ts b/packages/devextreme-angular/src/ui/tree-list/nested/validation-rule-dxi.ts
index 91f9e2e0296d..5119c0ab22c6 100644
--- a/packages/devextreme-angular/src/ui/tree-list/nested/validation-rule-dxi.ts
+++ b/packages/devextreme-angular/src/ui/tree-list/nested/validation-rule-dxi.ts
@@ -94,10 +94,10 @@ export class DxiTreeListValidationRuleComponent extends CollectionNestedOption {
     }
 
     @Input()
-    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean) {
+    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean) {
         return this._getOption('validationCallback');
     }
-    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean)) {
+    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean)) {
         this._setOption('validationCallback', value);
     }
 
diff --git a/packages/devextreme-angular/src/ui/validator/nested/async-rule-dxi.ts b/packages/devextreme-angular/src/ui/validator/nested/async-rule-dxi.ts
index 548c67fe5caf..559ac16e3eb1 100644
--- a/packages/devextreme-angular/src/ui/validator/nested/async-rule-dxi.ts
+++ b/packages/devextreme-angular/src/ui/validator/nested/async-rule-dxi.ts
@@ -70,10 +70,10 @@ export class DxiValidatorAsyncRuleComponent extends CollectionNestedOption {
     }
 
     @Input()
-    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => any) {
+    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => any) {
         return this._getOption('validationCallback');
     }
-    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => any)) {
+    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => any)) {
         this._setOption('validationCallback', value);
     }
 
diff --git a/packages/devextreme-angular/src/ui/validator/nested/custom-rule-dxi.ts b/packages/devextreme-angular/src/ui/validator/nested/custom-rule-dxi.ts
index 2160b06bc493..45a1337f86ef 100644
--- a/packages/devextreme-angular/src/ui/validator/nested/custom-rule-dxi.ts
+++ b/packages/devextreme-angular/src/ui/validator/nested/custom-rule-dxi.ts
@@ -70,10 +70,10 @@ export class DxiValidatorCustomRuleComponent extends CollectionNestedOption {
     }
 
     @Input()
-    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean) {
+    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean) {
         return this._getOption('validationCallback');
     }
-    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean)) {
+    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean)) {
         this._setOption('validationCallback', value);
     }
 
diff --git a/packages/devextreme-angular/src/ui/validator/nested/validation-rule-dxi.ts b/packages/devextreme-angular/src/ui/validator/nested/validation-rule-dxi.ts
index e41604da4d18..e1e6524d03cb 100644
--- a/packages/devextreme-angular/src/ui/validator/nested/validation-rule-dxi.ts
+++ b/packages/devextreme-angular/src/ui/validator/nested/validation-rule-dxi.ts
@@ -94,10 +94,10 @@ export class DxiValidatorValidationRuleComponent extends CollectionNestedOption
     }
 
     @Input()
-    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean) {
+    get validationCallback(): ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean) {
         return this._getOption('validationCallback');
     }
-    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean)) {
+    set validationCallback(value: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean)) {
         this._setOption('validationCallback', value);
     }
 
diff --git a/packages/devextreme-react/src/card-view.ts b/packages/devextreme-react/src/card-view.ts
index 9b09a7734199..3f34ceb24fca 100644
--- a/packages/devextreme-react/src/card-view.ts
+++ b/packages/devextreme-react/src/card-view.ts
@@ -217,7 +217,7 @@ type IAsyncRuleProps = React.PropsWithChildren<{
   message?: string;
   reevaluate?: boolean;
   type?: ValidationRuleType;
-  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => any);
+  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => any);
 }>
 const _componentAsyncRule = (props: IAsyncRuleProps) => {
   return React.createElement(NestedOption<IAsyncRuleProps>, {
@@ -933,7 +933,7 @@ type ICustomRuleProps = React.PropsWithChildren<{
   message?: string;
   reevaluate?: boolean;
   type?: ValidationRuleType;
-  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean);
+  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean);
 }>
 const _componentCustomRule = (props: ICustomRuleProps) => {
   return React.createElement(NestedOption<ICustomRuleProps>, {
@@ -2818,7 +2818,7 @@ type IValidationRuleProps = React.PropsWithChildren<{
   max?: Date | number | string;
   min?: Date | number | string;
   reevaluate?: boolean;
-  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean);
+  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean);
   comparisonTarget?: (() => any);
   comparisonType?: ComparisonOperator;
   pattern?: RegExp | string;
diff --git a/packages/devextreme-react/src/data-grid.ts b/packages/devextreme-react/src/data-grid.ts
index dffb2a8ec387..c6236a7c60c3 100644
--- a/packages/devextreme-react/src/data-grid.ts
+++ b/packages/devextreme-react/src/data-grid.ts
@@ -286,7 +286,7 @@ type IAsyncRuleProps = React.PropsWithChildren<{
   message?: string;
   reevaluate?: boolean;
   type?: ValidationRuleType;
-  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => any);
+  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => any);
 }>
 const _componentAsyncRule = (props: IAsyncRuleProps) => {
   return React.createElement(NestedOption<IAsyncRuleProps>, {
@@ -936,7 +936,7 @@ type ICustomRuleProps = React.PropsWithChildren<{
   message?: string;
   reevaluate?: boolean;
   type?: ValidationRuleType;
-  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean);
+  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean);
 }>
 const _componentCustomRule = (props: ICustomRuleProps) => {
   return React.createElement(NestedOption<ICustomRuleProps>, {
@@ -3296,7 +3296,7 @@ type IValidationRuleProps = React.PropsWithChildren<{
   max?: Date | number | string;
   min?: Date | number | string;
   reevaluate?: boolean;
-  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean);
+  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean);
   comparisonTarget?: (() => any);
   comparisonType?: ComparisonOperator;
   pattern?: RegExp | string;
diff --git a/packages/devextreme-react/src/form.ts b/packages/devextreme-react/src/form.ts
index be8396f2ebe8..2630c3e67fce 100644
--- a/packages/devextreme-react/src/form.ts
+++ b/packages/devextreme-react/src/form.ts
@@ -114,7 +114,7 @@ type IAsyncRuleProps = React.PropsWithChildren<{
   message?: string;
   reevaluate?: boolean;
   type?: ValidationRuleType;
-  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => any);
+  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => any);
 }>
 const _componentAsyncRule = (props: IAsyncRuleProps) => {
   return React.createElement(NestedOption<IAsyncRuleProps>, {
@@ -270,7 +270,7 @@ type ICustomRuleProps = React.PropsWithChildren<{
   message?: string;
   reevaluate?: boolean;
   type?: ValidationRuleType;
-  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean);
+  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean);
 }>
 const _componentCustomRule = (props: ICustomRuleProps) => {
   return React.createElement(NestedOption<ICustomRuleProps>, {
@@ -977,7 +977,7 @@ type IValidationRuleProps = React.PropsWithChildren<{
   max?: Date | number | string;
   min?: Date | number | string;
   reevaluate?: boolean;
-  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean);
+  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean);
   comparisonTarget?: (() => any);
   comparisonType?: ComparisonOperator;
   pattern?: RegExp | string;
diff --git a/packages/devextreme-react/src/scheduler.ts b/packages/devextreme-react/src/scheduler.ts
index 4dd95fc178dd..79710070a0d1 100644
--- a/packages/devextreme-react/src/scheduler.ts
+++ b/packages/devextreme-react/src/scheduler.ts
@@ -215,7 +215,7 @@ type IAsyncRuleProps = React.PropsWithChildren<{
   message?: string;
   reevaluate?: boolean;
   type?: ValidationRuleType;
-  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => any);
+  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => any);
 }>
 const _componentAsyncRule = (props: IAsyncRuleProps) => {
   return React.createElement(NestedOption<IAsyncRuleProps>, {
@@ -371,7 +371,7 @@ type ICustomRuleProps = React.PropsWithChildren<{
   message?: string;
   reevaluate?: boolean;
   type?: ValidationRuleType;
-  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean);
+  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean);
 }>
 const _componentCustomRule = (props: ICustomRuleProps) => {
   return React.createElement(NestedOption<ICustomRuleProps>, {
@@ -1416,7 +1416,7 @@ type IValidationRuleProps = React.PropsWithChildren<{
   max?: Date | number | string;
   min?: Date | number | string;
   reevaluate?: boolean;
-  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean);
+  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean);
   comparisonTarget?: (() => any);
   comparisonType?: ComparisonOperator;
   pattern?: RegExp | string;
diff --git a/packages/devextreme-react/src/tree-list.ts b/packages/devextreme-react/src/tree-list.ts
index 42c8d3772b6f..d5e46bfc933e 100644
--- a/packages/devextreme-react/src/tree-list.ts
+++ b/packages/devextreme-react/src/tree-list.ts
@@ -258,7 +258,7 @@ type IAsyncRuleProps = React.PropsWithChildren<{
   message?: string;
   reevaluate?: boolean;
   type?: ValidationRuleType;
-  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => any);
+  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => any);
 }>
 const _componentAsyncRule = (props: IAsyncRuleProps) => {
   return React.createElement(NestedOption<IAsyncRuleProps>, {
@@ -892,7 +892,7 @@ type ICustomRuleProps = React.PropsWithChildren<{
   message?: string;
   reevaluate?: boolean;
   type?: ValidationRuleType;
-  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean);
+  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean);
 }>
 const _componentCustomRule = (props: ICustomRuleProps) => {
   return React.createElement(NestedOption<ICustomRuleProps>, {
@@ -2899,7 +2899,7 @@ type IValidationRuleProps = React.PropsWithChildren<{
   max?: Date | number | string;
   min?: Date | number | string;
   reevaluate?: boolean;
-  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean);
+  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean);
   comparisonTarget?: (() => any);
   comparisonType?: ComparisonOperator;
   pattern?: RegExp | string;
diff --git a/packages/devextreme-react/src/validator.ts b/packages/devextreme-react/src/validator.ts
index 9f618f16cd71..62d5991273d1 100644
--- a/packages/devextreme-react/src/validator.ts
+++ b/packages/devextreme-react/src/validator.ts
@@ -105,7 +105,7 @@ type IAsyncRuleProps = React.PropsWithChildren<{
   message?: string;
   reevaluate?: boolean;
   type?: ValidationRuleType;
-  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => any);
+  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => any);
 }>
 const _componentAsyncRule = (props: IAsyncRuleProps) => {
   return React.createElement(NestedOption<IAsyncRuleProps>, {
@@ -157,7 +157,7 @@ type ICustomRuleProps = React.PropsWithChildren<{
   message?: string;
   reevaluate?: boolean;
   type?: ValidationRuleType;
-  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean);
+  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean);
 }>
 const _componentCustomRule = (props: ICustomRuleProps) => {
   return React.createElement(NestedOption<ICustomRuleProps>, {
@@ -337,7 +337,7 @@ type IValidationRuleProps = React.PropsWithChildren<{
   max?: Date | number | string;
   min?: Date | number | string;
   reevaluate?: boolean;
-  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean);
+  validationCallback?: ((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean);
   comparisonTarget?: (() => any);
   comparisonType?: ComparisonOperator;
   pattern?: RegExp | string;
diff --git a/packages/devextreme-vue/src/card-view.ts b/packages/devextreme-vue/src/card-view.ts
index e5ce4ce63aad..83373a58575b 100644
--- a/packages/devextreme-vue/src/card-view.ts
+++ b/packages/devextreme-vue/src/card-view.ts
@@ -548,7 +548,7 @@ const DxAsyncRuleConfig = {
     message: String,
     reevaluate: Boolean,
     type: String as PropType<ValidationRuleType>,
-    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => any)>
+    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => any)>
   }
 };
 
@@ -1301,7 +1301,7 @@ const DxCustomRuleConfig = {
     message: String,
     reevaluate: Boolean,
     type: String as PropType<ValidationRuleType>,
-    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean)>
+    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean)>
   }
 };
 
@@ -3259,7 +3259,7 @@ const DxValidationRuleConfig = {
     reevaluate: Boolean,
     trim: Boolean,
     type: String as PropType<ValidationRuleType>,
-    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean)>
+    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean)>
   }
 };
 
diff --git a/packages/devextreme-vue/src/data-grid.ts b/packages/devextreme-vue/src/data-grid.ts
index 544afb7ae229..45465a450f76 100644
--- a/packages/devextreme-vue/src/data-grid.ts
+++ b/packages/devextreme-vue/src/data-grid.ts
@@ -756,7 +756,7 @@ const DxAsyncRuleConfig = {
     message: String,
     reevaluate: Boolean,
     type: String as PropType<ValidationRuleType>,
-    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => any)>
+    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => any)>
   }
 };
 
@@ -1435,7 +1435,7 @@ const DxCustomRuleConfig = {
     message: String,
     reevaluate: Boolean,
     type: String as PropType<ValidationRuleType>,
-    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean)>
+    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean)>
   }
 };
 
@@ -4043,7 +4043,7 @@ const DxValidationRuleConfig = {
     reevaluate: Boolean,
     trim: Boolean,
     type: String as PropType<ValidationRuleType>,
-    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean)>
+    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean)>
   }
 };
 
diff --git a/packages/devextreme-vue/src/form.ts b/packages/devextreme-vue/src/form.ts
index 490d20de2144..ae0b8dd12c24 100644
--- a/packages/devextreme-vue/src/form.ts
+++ b/packages/devextreme-vue/src/form.ts
@@ -274,7 +274,7 @@ const DxAsyncRuleConfig = {
     message: String,
     reevaluate: Boolean,
     type: String as PropType<ValidationRuleType>,
-    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => any)>
+    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => any)>
   }
 };
 
@@ -458,7 +458,7 @@ const DxCustomRuleConfig = {
     message: String,
     reevaluate: Boolean,
     type: String as PropType<ValidationRuleType>,
-    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean)>
+    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean)>
   }
 };
 
@@ -1153,7 +1153,7 @@ const DxValidationRuleConfig = {
     reevaluate: Boolean,
     trim: Boolean,
     type: String as PropType<ValidationRuleType>,
-    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean)>
+    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean)>
   }
 };
 
diff --git a/packages/devextreme-vue/src/scheduler.ts b/packages/devextreme-vue/src/scheduler.ts
index 169bd798a952..9118bd8c3e81 100644
--- a/packages/devextreme-vue/src/scheduler.ts
+++ b/packages/devextreme-vue/src/scheduler.ts
@@ -471,7 +471,7 @@ const DxAsyncRuleConfig = {
     message: String,
     reevaluate: Boolean,
     type: String as PropType<ValidationRuleType>,
-    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => any)>
+    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => any)>
   }
 };
 
@@ -655,7 +655,7 @@ const DxCustomRuleConfig = {
     message: String,
     reevaluate: Boolean,
     type: String as PropType<ValidationRuleType>,
-    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean)>
+    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean)>
   }
 };
 
@@ -1739,7 +1739,7 @@ const DxValidationRuleConfig = {
     reevaluate: Boolean,
     trim: Boolean,
     type: String as PropType<ValidationRuleType>,
-    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean)>
+    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean)>
   }
 };
 
diff --git a/packages/devextreme-vue/src/tree-list.ts b/packages/devextreme-vue/src/tree-list.ts
index b00325909386..1f7456478143 100644
--- a/packages/devextreme-vue/src/tree-list.ts
+++ b/packages/devextreme-vue/src/tree-list.ts
@@ -744,7 +744,7 @@ const DxAsyncRuleConfig = {
     message: String,
     reevaluate: Boolean,
     type: String as PropType<ValidationRuleType>,
-    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => any)>
+    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => any)>
   }
 };
 
@@ -1409,7 +1409,7 @@ const DxCustomRuleConfig = {
     message: String,
     reevaluate: Boolean,
     type: String as PropType<ValidationRuleType>,
-    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean)>
+    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean)>
   }
 };
 
@@ -3655,7 +3655,7 @@ const DxValidationRuleConfig = {
     reevaluate: Boolean,
     trim: Boolean,
     type: String as PropType<ValidationRuleType>,
-    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean)>
+    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean)>
   }
 };
 
diff --git a/packages/devextreme-vue/src/validator.ts b/packages/devextreme-vue/src/validator.ts
index 612f10eeb77d..035a24eddc37 100644
--- a/packages/devextreme-vue/src/validator.ts
+++ b/packages/devextreme-vue/src/validator.ts
@@ -133,7 +133,7 @@ const DxAsyncRuleConfig = {
     message: String,
     reevaluate: Boolean,
     type: String as PropType<ValidationRuleType>,
-    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => any)>
+    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => any)>
   }
 };
 
@@ -191,7 +191,7 @@ const DxCustomRuleConfig = {
     message: String,
     reevaluate: Boolean,
     type: String as PropType<ValidationRuleType>,
-    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean)>
+    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean)>
   }
 };
 
@@ -396,7 +396,7 @@ const DxValidationRuleConfig = {
     reevaluate: Boolean,
     trim: Boolean,
     type: String as PropType<ValidationRuleType>,
-    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: string | number }) => boolean)>
+    validationCallback: Function as PropType<((options: { column: Record<string, any>, data: Record<string, any>, formItem: Record<string, any>, rule: Record<string, any>, validator: Record<string, any>, value: any }) => boolean)>
   }
 };
 

From 0d68cffb11f6d8079d5ff5b86b1fdd37357a5c45 Mon Sep 17 00:00:00 2001
From: Ruslan Farkhutdinov <ruslan.farkhutdinov@devexpress.com>
Date: Thu, 8 Jan 2026 18:58:07 +0200
Subject: [PATCH 3/3] Validator: Remove generic type

---
 packages/devextreme/js/common.d.ts | 16 ++++++++--------
 packages/devextreme/ts/dx.all.d.ts | 14 ++++++--------
 2 files changed, 14 insertions(+), 16 deletions(-)

diff --git a/packages/devextreme/js/common.d.ts b/packages/devextreme/js/common.d.ts
index e2a681bfd08f..2ac75ae9b8a8 100644
--- a/packages/devextreme/js/common.d.ts
+++ b/packages/devextreme/js/common.d.ts
@@ -29,7 +29,7 @@ export type ApplyValueMode = 'instantly' | 'useButtons';
  * @namespace DevExpress.common
  * @type object
  */
-export type AsyncRule<TValue = unknown> = {
+export type AsyncRule = {
   /**
   * @docid
   * @default false
@@ -58,7 +58,7 @@ export type AsyncRule<TValue = unknown> = {
   * @docid
   * @type_function_return Promise<any>
   * @type_function_param1 options:object
-  * @type_function_param1_field value:unknown
+  * @type_function_param1_field value:any
   * @type_function_param1_field rule:object
   * @type_function_param1_field validator:object
   * @type_function_param1_field data:object
@@ -66,7 +66,7 @@ export type AsyncRule<TValue = unknown> = {
   * @type_function_param1_field formItem:object
   * @public
   */
-  validationCallback?: ((options: ValidationCallbackData<TValue>) => PromiseLike<any>);
+  validationCallback?: ((options: ValidationCallbackData) => PromiseLike<any>);
 };
 
 /**
@@ -132,7 +132,7 @@ export type ComparisonOperator = '!=' | '!==' | '<' | '<=' | '==' | '===' | '>'
  * @type object
  * @namespace DevExpress.common
  */
-export type CustomRule<TValue = unknown> = {
+export type CustomRule = {
   /**
   * @docid
   * @default false
@@ -160,7 +160,7 @@ export type CustomRule<TValue = unknown> = {
   /**
   * @docid
   * @type_function_param1 options:object
-  * @type_function_param1_field value:unknown
+  * @type_function_param1_field value:any
   * @type_function_param1_field rule:object
   * @type_function_param1_field validator:object
   * @type_function_param1_field data:object
@@ -168,7 +168,7 @@ export type CustomRule<TValue = unknown> = {
   * @type_function_param1_field formItem:object
   * @public
   */
-  validationCallback?: ((options: ValidationCallbackData<TValue>) => boolean);
+  validationCallback?: ((options: ValidationCallbackData) => boolean);
 };
 
 /**
@@ -815,8 +815,8 @@ export type TooltipShowMode = 'always' | 'onHover';
  * @public
  * @namespace DevExpress.common
  */
-export type ValidationCallbackData<TValue = unknown> = {
-  value?: TValue;
+export type ValidationCallbackData = {
+  value?: any;
   rule: any;
   validator: any;
   data?: any;
diff --git a/packages/devextreme/ts/dx.all.d.ts b/packages/devextreme/ts/dx.all.d.ts
index f27e3c27c49d..4a7bc64f3a1c 100644
--- a/packages/devextreme/ts/dx.all.d.ts
+++ b/packages/devextreme/ts/dx.all.d.ts
@@ -1168,7 +1168,7 @@ declare module DevExpress.common {
   /**
    * [descr:AsyncRule]
    */
-  export type AsyncRule<TValue = unknown> = {
+  export type AsyncRule = {
     /**
      * [descr:AsyncRule.ignoreEmptyValue]
      */
@@ -1188,9 +1188,7 @@ declare module DevExpress.common {
     /**
      * [descr:AsyncRule.validationCallback]
      */
-    validationCallback?: (
-      options: ValidationCallbackData<TValue>
-    ) => PromiseLike<any>;
+    validationCallback?: (options: ValidationCallbackData) => PromiseLike<any>;
   };
   export type ButtonStyle = 'text' | 'outlined' | 'contained';
   export type ButtonType = 'danger' | 'default' | 'normal' | 'success';
@@ -1231,7 +1229,7 @@ declare module DevExpress.common {
   /**
    * [descr:CustomRule]
    */
-  export type CustomRule<TValue = unknown> = {
+  export type CustomRule = {
     /**
      * [descr:CustomRule.ignoreEmptyValue]
      */
@@ -1251,7 +1249,7 @@ declare module DevExpress.common {
     /**
      * [descr:CustomRule.validationCallback]
      */
-    validationCallback?: (options: ValidationCallbackData<TValue>) => boolean;
+    validationCallback?: (options: ValidationCallbackData) => boolean;
   };
   /**
    * @deprecated Attention! This type is for internal purposes only. If you used it previously, please submit a ticket to our {@link https://supportcenter.devexpress.com/ticket/create Support Center}. We will check if there is an alternative solution.
@@ -1726,8 +1724,8 @@ declare module DevExpress.common {
     | 'dxTextBox';
   export type ToolbarItemLocation = 'after' | 'before' | 'center';
   export type TooltipShowMode = 'always' | 'onHover';
-  export type ValidationCallbackData<TValue = unknown> = {
-    value?: TValue;
+  export type ValidationCallbackData = {
+    value?: any;
     rule: any;
     validator: any;
     data?: any;