diff --git a/src/mask/input_element_adapter.ts b/src/mask/input_element_adapter.ts
index 83b8b668ab..0cb0b693a5 100644
--- a/src/mask/input_element_adapter.ts
+++ b/src/mask/input_element_adapter.ts
@@ -1,5 +1,5 @@
 import { InputMaskBase } from "./mask_base";
-import { ITextMaskInputArgs } from "./mask_utils";
+import { ITextInputParams } from "./mask_utils";
 
 export class InputElementAdapter {
   constructor(private inputMaskInstance: InputMaskBase, private inputElement: HTMLInputElement, value: string = "") {
@@ -23,8 +23,8 @@ export class InputElementAdapter {
     this.inputElement.value = maskedValue;
   };
 
-  public createArgs(event: any): ITextMaskInputArgs {
-    const args: ITextMaskInputArgs = {
+  public createArgs(event: any): ITextInputParams {
+    const args: ITextInputParams = {
       insertedChars: event.data,
       selectionStart: event.target.selectionStart,
       selectionEnd: event.target.selectionEnd,
diff --git a/src/mask/mask_base.ts b/src/mask/mask_base.ts
index 50034fde31..31cafa74f4 100644
--- a/src/mask/mask_base.ts
+++ b/src/mask/mask_base.ts
@@ -1,6 +1,6 @@
 import { Base } from "../base";
 import { JsonObject, Serializer, property } from "../jsonobject";
-import { IInputMask, IMaskedValue, ITextMaskInputArgs } from "./mask_utils";
+import { IInputMask, IMaskedInputResult, ITextInputParams } from "./mask_utils";
 
 export class InputMaskBase extends Base implements IInputMask {
   @property() saveMaskedValue: boolean;
@@ -36,7 +36,7 @@ export class InputMaskBase extends Base implements IInputMask {
   //   return this.getUnmaskedValue(this.input.value, true);
   // }
 
-  public processInput(args: ITextMaskInputArgs): IMaskedValue {
+  public processInput(args: ITextInputParams): IMaskedInputResult {
     return { value: args.prevValue, caretPosition: args.selectionEnd, cancelPreventDefault: false };
   }
 
diff --git a/src/mask/mask_currency.ts b/src/mask/mask_currency.ts
index 7192f9fd7e..a7b9af5702 100644
--- a/src/mask/mask_currency.ts
+++ b/src/mask/mask_currency.ts
@@ -1,6 +1,6 @@
 import { Serializer, property } from "../jsonobject";
 import { InputMaskNumeric } from "./mask_number";
-import { IMaskedValue, ITextMaskInputArgs } from "./mask_utils";
+import { IMaskedInputResult, ITextInputParams } from "./mask_utils";
 
 export class InputMaskCurrency extends InputMaskNumeric {
   @property() prefix: string;
@@ -25,7 +25,7 @@ export class InputMaskCurrency extends InputMaskNumeric {
     return result;
   }
 
-  public unwrapInputArgs(args: ITextMaskInputArgs): void {
+  public unwrapInputArgs(args: ITextInputParams): void {
     let result = args.prevValue;
     if(!result) return;
 
@@ -40,7 +40,7 @@ export class InputMaskCurrency extends InputMaskNumeric {
     }
     args.prevValue = result;
   }
-  public processInput(args: ITextMaskInputArgs): IMaskedValue {
+  public processInput(args: ITextInputParams): IMaskedInputResult {
     this.unwrapInputArgs(args);
     const result = super.processInput(args);
     const preffixPadding = (this.prefix || "").length;
diff --git a/src/mask/mask_datetime.ts b/src/mask/mask_datetime.ts
index 49723c7345..32f873ee10 100644
--- a/src/mask/mask_datetime.ts
+++ b/src/mask/mask_datetime.ts
@@ -1,6 +1,6 @@
 import { Serializer, property } from "../jsonobject";
 import { InputMaskPattern } from "./mask_pattern";
-import { IMaskedValue, ITextMaskInputArgs, numberDefinition } from "./mask_utils";
+import { IMaskedInputResult, ITextInputParams, numberDefinition } from "./mask_utils";
 
 export interface IDateTimeMaskLexem {
   type: "month" | "day" | "year" | "separator";
@@ -392,7 +392,7 @@ export class InputMaskDateTime extends InputMaskPattern {
     }
   }
 
-  public processInput(args: ITextMaskInputArgs): IMaskedValue {
+  public processInput(args: ITextInputParams): IMaskedInputResult {
     const result = { value: args.prevValue, caretPosition: args.selectionEnd, cancelPreventDefault: false };
     const leftPart = args.prevValue.slice(0, args.selectionStart);
     const rightPart = args.prevValue.slice(args.selectionEnd);
diff --git a/src/mask/mask_number.ts b/src/mask/mask_number.ts
index 00ec8815dc..4b988d78f4 100644
--- a/src/mask/mask_number.ts
+++ b/src/mask/mask_number.ts
@@ -1,6 +1,6 @@
 import { Serializer, property } from "../jsonobject";
 import { InputMaskBase } from "./mask_base";
-import { IMaskedValue, ITextMaskInputArgs, numberDefinition } from "./mask_utils";
+import { IMaskedInputResult, ITextInputParams, numberDefinition } from "./mask_utils";
 
 interface INumericalComposition {
   integralPart: string;
@@ -34,7 +34,7 @@ export class InputMaskNumeric extends InputMaskBase {
   @property() min: number;
   @property() max: number;
 
-  private calccaretPosition(leftPart: string, args: ITextMaskInputArgs, maskedValue: string) {
+  private calccaretPosition(leftPart: string, args: ITextInputParams, maskedValue: string) {
     const leftPartMaskedLength = !! leftPart ? this.displayNumber(this.parseNumber(leftPart), false).length : 0;
     let validCharIndex = 0;
     let result = args.selectionStart;
@@ -172,7 +172,7 @@ export class InputMaskNumeric extends InputMaskBase {
   public getUnmaskedValue(src: string): any {
     return this.getNumberUnmaskedValue(src);
   }
-  public processInput(args: ITextMaskInputArgs): IMaskedValue {
+  public processInput(args: ITextInputParams): IMaskedInputResult {
     const result = { value: args.prevValue, caretPosition: args.selectionEnd, cancelPreventDefault: false };
     const leftPart = args.prevValue.slice(0, args.selectionStart) + (args.insertedChars || "");
     const rightPart = args.prevValue.slice(args.selectionEnd);
diff --git a/src/mask/mask_pattern.ts b/src/mask/mask_pattern.ts
index b46bd6de35..8cccc77cda 100644
--- a/src/mask/mask_pattern.ts
+++ b/src/mask/mask_pattern.ts
@@ -1,7 +1,7 @@
 import { settings } from "../settings";
 import { Serializer, property } from "../jsonobject";
 import { InputMaskBase } from "./mask_base";
-import { IMaskedValue, ITextMaskInputArgs } from "./mask_utils";
+import { IMaskedInputResult, ITextInputParams } from "./mask_utils";
 
 export interface IMaskLiteral {
   type: "const" | "regex" | "fixed";
@@ -122,7 +122,7 @@ export class InputMaskPattern extends InputMaskBase {
     const input = (src === undefined || src === null) ? "" : src;
     return getUnmaskedValueByPattern(input, this.literals, matchWholeMask);
   }
-  public processInput(args: ITextMaskInputArgs): IMaskedValue {
+  public processInput(args: ITextInputParams): IMaskedInputResult {
     const result = { value: args.prevValue, caretPosition: args.selectionEnd, cancelPreventDefault: false };
     if(!args.insertedChars && args.selectionStart === args.selectionEnd) {
       return result;
diff --git a/src/mask/mask_utils.ts b/src/mask/mask_utils.ts
index 3ef260ea78..d5aa3090ea 100644
--- a/src/mask/mask_utils.ts
+++ b/src/mask/mask_utils.ts
@@ -1,12 +1,12 @@
 export var numberDefinition = /[0-9]/;
 
-export interface IMaskedValue {
+export interface IMaskedInputResult {
   value: string;
   caretPosition: number;
   cancelPreventDefault?: boolean;
 }
 
-export interface ITextMaskInputArgs {
+export interface ITextInputParams {
   prevValue: string;
   selectionStart: number;
   selectionEnd: number;
@@ -17,5 +17,5 @@ export interface ITextMaskInputArgs {
 export interface IInputMask {
   getMaskedValue(src: any): string;
   getUnmaskedValue(src: string): any;
-  processInput(args: ITextMaskInputArgs): IMaskedValue;
+  processInput(args: ITextInputParams): IMaskedInputResult;
 }
\ No newline at end of file
diff --git a/tests/mask/mask_currency_tests.ts b/tests/mask/mask_currency_tests.ts
index 33bdce4add..b67266aa14 100644
--- a/tests/mask/mask_currency_tests.ts
+++ b/tests/mask/mask_currency_tests.ts
@@ -1,6 +1,6 @@
 import { JsonObject } from "../../src/jsonobject";
 import { InputMaskCurrency } from "../../src/mask/mask_currency";
-import { ITextMaskInputArgs } from "../../src/mask/mask_utils";
+import { ITextInputParams } from "../../src/mask/mask_utils";
 import { QuestionTextModel } from "../../src/question_text";
 
 export default QUnit.module("Currency mask");
@@ -103,7 +103,7 @@ QUnit.test("get currency masked invalid text", function(assert) {
   maskInstance.prefix = "$_";
   maskInstance.suffix = "_USD";
 
-  let args: ITextMaskInputArgs = { prevValue: "$_1_USD", selectionStart: 0, selectionEnd: 0, insertedChars: "" };
+  let args: ITextInputParams = { prevValue: "$_1_USD", selectionStart: 0, selectionEnd: 0, insertedChars: "" };
   maskInstance.unwrapInputArgs(args);
   assert.equal(args.prevValue, "1");