diff --git a/api/@ohos.convertxml.d.ts b/api/@ohos.convertxml.d.ts
index bf0cbe1192fa7253dd6ceae318a9644f4003172c..d77c980e64b65beba42f1c56c416f6a74aa82a5a 100644
--- a/api/@ohos.convertxml.d.ts
+++ b/api/@ohos.convertxml.d.ts
@@ -153,7 +153,7 @@ declare namespace xml {
          * @syscap SystemCapability.Utils.Lang
          * @param xml The xml text to be converted.
          * @param option Option Inputted by user to set.
-         * @return Returns a JavaScript object converting from XML text.
+         * @returns Returns a JavaScript object converting from XML text.
          */
         convert(xml: string, options?: ConvertOptions) : Object;
 
@@ -163,7 +163,7 @@ declare namespace xml {
          * @syscap SystemCapability.Utils.Lang
          * @param xml The xml text to be converted.
          * @param option Option Inputted by user to set.
-         * @return Returns a JavaScript object converting from XML text.
+         * @returns Returns a JavaScript object converting from XML text.
          * @throws {BusinessError} 401 - if the input parameters are invalid.
          * @throws {BusinessError} 10200002 - Invalid xml string.
          */
diff --git a/api/@ohos.process.d.ts b/api/@ohos.process.d.ts
index 875e6dd2c16ba15a32be5b15a8c886f41622fb55..7da4212ef49da09e61e0ceaf8dec6daebc2896ad 100644
--- a/api/@ohos.process.d.ts
+++ b/api/@ohos.process.d.ts
@@ -34,7 +34,7 @@ declare namespace process {
         * @since 7
         * @syscap SystemCapability.Utils.Lang
         * @systemapi Hide this for inner system use
-        * @return Return the pid of the current process.
+        * @returns Return the pid of the current process.
         */
         readonly pid: number;
         
@@ -43,7 +43,7 @@ declare namespace process {
         * @since 7
         * @syscap SystemCapability.Utils.Lang
         * @systemapi Hide this for inner system use
-        * @return Return the pid of the current child process.
+        * @returns Return the pid of the current child process.
         */
         readonly ppid: number;
 
@@ -52,7 +52,7 @@ declare namespace process {
         * @since 7
         * @syscap SystemCapability.Utils.Lang
         * @systemapi Hide this for inner system use
-        * @return Return the exit code of the current child process.
+        * @returns Return the exit code of the current child process.
         */
         readonly exitCode: number;
 
@@ -61,7 +61,7 @@ declare namespace process {
         * @since 7
         * @syscap SystemCapability.Utils.Lang
         * @systemapi Hide this for inner system use
-        * @return Return whether the current process signal is sent successfully.
+        * @returns Return whether the current process signal is sent successfully.
         */
         readonly killed: boolean;
 
@@ -70,7 +70,7 @@ declare namespace process {
         * @since 7
         * @syscap SystemCapability.Utils.Lang
         * @systemapi Hide this for inner system use
-        * @return Return the target process exit code.
+        * @returns Return the target process exit code.
         */
         wait(): Promise<number>;
 
@@ -79,7 +79,7 @@ declare namespace process {
         * @since 7
         * @syscap SystemCapability.Utils.Lang
         * @systemapi Hide this for inner system use
-        * @return Return subprocess standard outpute.
+        * @returns Return subprocess standard output.
         */
         getOutput(): Promise<Uint8Array>;
 
@@ -88,7 +88,7 @@ declare namespace process {
         * @since 7
         * @syscap SystemCapability.Utils.Lang
         * @systemapi Hide this for inner system use
-        * @return Return subprocess standard error output.
+        * @returns Return subprocess standard error output.
         */
         getErrorOutput(): Promise<Uint8Array>;
 
@@ -123,7 +123,7 @@ declare namespace process {
         * @since 9
         * @syscap SystemCapability.Utils.Lang
         * @param v An id.
-        * @return Return a boolean whether the specified uid belongs to a particular application.
+        * @returns Return a boolean whether the specified uid belongs to a particular application.
         * @throws {BusinessError} 401 - The type of v must be number.
         */
         isAppUid(v: number): boolean;
@@ -133,7 +133,7 @@ declare namespace process {
         * @since 9
         * @syscap SystemCapability.Utils.Lang
         * @param v Process name.
-        * @return Return the uid based on the specified user name.
+        * @returns Return the uid based on the specified user name.
         * @throws {BusinessError} 401 - The type of v must be string.
         */
         getUidForName(v: string): number;
@@ -143,7 +143,7 @@ declare namespace process {
         * @since 9
         * @syscap SystemCapability.Utils.Lang
         * @param v The tid of the process.
-        * @return Return the thread priority based on the specified tid.
+        * @returns Return the thread priority based on the specified tid.
         * @throws {BusinessError} 401 - The type of v must be number.
         */
         getThreadPriority(v: number): number;
@@ -153,7 +153,7 @@ declare namespace process {
         * @since 9
         * @syscap SystemCapability.Utils.Lang
         * @param name Parameters defined by the system configuration.
-        * @return Return the system configuration at runtime.
+        * @returns Return the system configuration at runtime.
         * @throws {BusinessError} 401 - The type of name must be number.
         */
         getSystemConfig(name: number): number;
@@ -163,7 +163,7 @@ declare namespace process {
         * @since 9
         * @syscap SystemCapability.Utils.Lang
         * @param name Parameters defined by the system environment variables.
-        * @Returns the system value for environment variables.
+        * @returns Return the system value for environment variables.
         * @throws {BusinessError} 401 - The type of name must be string.
         */
         getEnvironmentVar(name: string): string;
@@ -183,7 +183,7 @@ declare namespace process {
         * @syscap SystemCapability.Utils.Lang
         * @param signal Signal sent.
         * @param pid Send signal to target pid.
-        * @return Return the result of the signal.
+        * @returns Return the result of the signal.
         * @throws {BusinessError} 401 - if the input parameters are invalid.
         */
         kill(signal: number, pid: number): boolean;
@@ -194,7 +194,7 @@ declare namespace process {
     * @since 7
     * @syscap SystemCapability.Utils.Lang
     * @systemapi Hide this for inner system use
-    * @return Return the numeric valid group ID of the process.
+    * @returns Return the numeric valid group ID of the process.
     */
     const egid: number;
 
@@ -203,7 +203,7 @@ declare namespace process {
     * @since 7
     * @syscap SystemCapability.Utils.Lang
     * @systemapi Hide this for inner system use
-    * @return Return the numeric valid user identity of the process.
+    * @returns Return the numeric valid user identity of the process.
     */
     const euid: number;
 
@@ -212,7 +212,7 @@ declare namespace process {
     * @since 7
     * @syscap SystemCapability.Utils.Lang
     * @systemapi Hide this for inner system use
-    * @return Return the numeric group if of the process.
+    * @returns Return the numeric group if of the process.
     */
     const gid: number
 
@@ -220,7 +220,7 @@ declare namespace process {
     * Returns the digital user id of the process
     * @since 7
     * @syscap SystemCapability.Utils.Lang
-    * @return Return the digital user id of the process.
+    * @returns Return the digital user id of the process.
     */
     const uid: number;
 
@@ -229,7 +229,7 @@ declare namespace process {
     * @since 7
     * @syscap SystemCapability.Utils.Lang
     * @systemapi Hide this for inner system use
-    * @return Return an array with supplementary group id.
+    * @returns Return an array with supplementary group id.
     */
     const groups: number[];
 
@@ -237,7 +237,7 @@ declare namespace process {
     * Return pid is The pid of the current process
     * @since 7
     * @syscap SystemCapability.Utils.Lang
-    * @return Return The pid of the current process.
+    * @returns Return The pid of the current process.
     */
     const pid: number;
 
@@ -246,7 +246,7 @@ declare namespace process {
     * @since 7
     * @syscap SystemCapability.Utils.Lang
     * @systemapi Hide this for inner system use
-    * @return Return The pid of the current child process.
+    * @returns Return The pid of the current child process.
     */
     const ppid: number;
 
@@ -254,7 +254,7 @@ declare namespace process {
     * Returns the tid of the current thread.
     * @since 8
     * @syscap SystemCapability.Utils.Lang
-    * @return Return the tid of the current thread.
+    * @returns Return the tid of the current thread.
     */
     const tid: number;
 
@@ -262,7 +262,7 @@ declare namespace process {
     * Returns a boolean whether the process is isolated.
     * @since 8
     * @syscap SystemCapability.Utils.Lang
-    * @return Return boolean whether the process is isolated.
+    * @returns Return boolean whether the process is isolated.
     */
     function isIsolatedProcess(): boolean;
 
@@ -273,7 +273,7 @@ declare namespace process {
     * @useinstead ohos.process.ProcessManager.isAppUid
     * @syscap SystemCapability.Utils.Lang
     * @param v An id.
-    * @return Return a boolean whether the specified uid belongs to a particular application.
+    * @returns Return a boolean whether the specified uid belongs to a particular application.
     */
     function isAppUid(v: number): boolean;
 
@@ -281,7 +281,7 @@ declare namespace process {
     * Returns a boolean whether the process is running in a 64-bit environment.
     * @since 8
     * @syscap SystemCapability.Utils.Lang
-    * @return Return a boolean whether the process is running in a 64-bit environment.
+    * @returns Return a boolean whether the process is running in a 64-bit environment.
     */
     function is64Bit(): boolean;
 
@@ -292,7 +292,7 @@ declare namespace process {
     * @useinstead ohos.process.ProcessManager.getUidForName
     * @syscap SystemCapability.Utils.Lang
     * @param v Process name.
-    * @return Return the uid based on the specified user name.
+    * @returns Return the uid based on the specified user name.
     */
     function getUidForName(v: string): number;
 
@@ -303,7 +303,7 @@ declare namespace process {
     * @useinstead ohos.process.ProcessManager.getThreadPriority
     * @syscap SystemCapability.Utils.Lang
     * @param v The tid of the process.
-    * @return Return the thread priority based on the specified tid.
+    * @returns Return the thread priority based on the specified tid.
     */
     function getThreadPriority(v: number): number;
 
@@ -311,7 +311,7 @@ declare namespace process {
     * Returns the elapsed real time (in milliseconds) taken from the start of the system to the start of the process.
     * @since 8
     * @syscap SystemCapability.Utils.Lang
-    * @return Return the start of the system to the start of the process.
+    * @returns Return the start of the system to the start of the process.
     */
     function getStartRealtime(): number;
 
@@ -319,7 +319,7 @@ declare namespace process {
     * Returns the cpu time (in milliseconds) from the time when the process starts to the current time.
     * @since 8
     * @syscap SystemCapability.Utils.Lang
-    * @return Return the cpu time (in milliseconds) from the time when the process starts to the current time.
+    * @returns Return the cpu time (in milliseconds) from the time when the process starts to the current time.
     */
     function getPastCpuTime(): number;
 
@@ -330,7 +330,7 @@ declare namespace process {
     * @useinstead ohos.process.ProcessManager.getSystemConfig
     * @syscap SystemCapability.Utils.Lang
     * @param name Parameters defined by the system configuration.
-    * @return Return the system configuration at runtime.
+    * @returns Return the system configuration at runtime.
     */
     function getSystemConfig(name: number): number;
 
@@ -341,13 +341,13 @@ declare namespace process {
     * @useinstead ohos.process.ProcessManager.getEnvironmentVar
     * @syscap SystemCapability.Utils.Lang
     * @param name Parameters defined by the system environment variables.
-    * @Returns the system value for environment variables.
+    * @returns Return the system value for environment variables.
     */
     function getEnvironmentVar(name: string): string;
 
     type EventListener = (evt: Object) => void;
     /**
-    * Return a child process object and spawns a new ChildProcess to run the command
+    * Return a child process object and spawns a new ChildProcess to run the command.
     * @since 7
     * @syscap SystemCapability.Utils.Lang
     * @param command String of the shell commands executed by the child process.
@@ -355,7 +355,7 @@ declare namespace process {
     * process, killSignal is the signal sent when the child process reaches timeout, and maxBuffer is the size of the
     * maximum buffer area for standard input and output.
     * @systemapi Hide this for inner system use
-    * @return Return a child process object.
+    * @returns Return a child process object.
     */
     function runCmd(command: string,
         options?: { timeout?: number, killSignal?: number | string, maxBuffer?: number }): ChildProcess;
@@ -383,7 +383,7 @@ declare namespace process {
     * @syscap SystemCapability.Utils.Lang
     * @param type Remove the type of registered event.
     * @systemapi Hide this for inner system use
-    * @return Return removed result.
+    * @returns Return removed result.
     */
     function off(type: string): boolean;
 
@@ -402,7 +402,7 @@ declare namespace process {
     * @since 7
     * @syscap SystemCapability.Utils.Lang
     * @systemapi Hide this for inner system use
-    * @return Return the current work directory.
+    * @returns Return the current work directory.
     */
     function cwd(): string;
 
@@ -419,7 +419,7 @@ declare namespace process {
     * Returns the running time of the system
     * @since 7
     * @syscap SystemCapability.Utils.Lang
-    * @return Return the running time of the system.
+    * @returns Return the running time of the system.
     */
     function uptime(): number;
 
@@ -431,7 +431,7 @@ declare namespace process {
     * @syscap SystemCapability.Utils.Lang
     * @param signal Signal sent.
     * @param pid Send signal to target pid.
-    * @return Return the result of the signal.
+    * @returns Return the result of the signal.
     */
     function kill(signal: number, pid: number): boolean;
 }
diff --git a/api/@ohos.uri.d.ts b/api/@ohos.uri.d.ts
index 7778407067e1e30e73502e61ecfecf91e9c0add9..585008714b9caa3ea95ebbeb67f8d0c55dc5cf79 100644
--- a/api/@ohos.uri.d.ts
+++ b/api/@ohos.uri.d.ts
@@ -40,7 +40,7 @@ declare namespace uri {
          * Returns the serialized URI as a string.
          * @since 8
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns the serialized URI as a string.
+         * @returns Returns the serialized URI as a string.
          */
         toString(): string;
 
@@ -51,7 +51,7 @@ declare namespace uri {
          * @useinstead ohos.uri.URI.equalsTo
          * @syscap SystemCapability.Utils.Lang
          * @param other URI object to be compared
-         * @return boolean Tests whether this URI is equivalent to other URI objects.
+         * @returns boolean Tests whether this URI is equivalent to other URI objects.
          */
         equals(other: URI): boolean;
 
@@ -60,7 +60,7 @@ declare namespace uri {
          * @since 9
          * @syscap SystemCapability.Utils.Lang
          * @param other URI object to be compared
-         * @return boolean Tests whether this URI is equivalent to other URI objects.
+         * @returns boolean Tests whether this URI is equivalent to other URI objects.
          * @throws {BusinessError} 10200002 - The type of other must be URI.
          */
         equalsTo(other: URI): boolean;
@@ -69,7 +69,7 @@ declare namespace uri {
          * Indicates whether this URI is an absolute URI.
          * @since 8
          * @syscap SystemCapability.Utils.Lang
-         * @return boolean Indicates whether the URI is an absolute URI (whether the scheme component is defined).
+         * @returns boolean Indicates whether the URI is an absolute URI (whether the scheme component is defined).
          */
         checkIsAbsolute(): boolean;
 
@@ -77,7 +77,7 @@ declare namespace uri {
          * Normalize the path of this URI.
          * @since 8
          * @syscap SystemCapability.Utils.Lang
-         * @return URI Used to normalize the path of this URI and return a URI object whose path has been normalized.
+         * @returns URI Used to normalize the path of this URI and return a URI object whose path has been normalized.
          */
         normalize(): URI;
 
diff --git a/api/@ohos.url.d.ts b/api/@ohos.url.d.ts
index 80d25e6c6d6dafe21bd029c13420a3873ad7bc2f..60658249a4f29a38a94dea8c245524619ed6f058 100644
--- a/api/@ohos.url.d.ts
+++ b/api/@ohos.url.d.ts
@@ -70,7 +70,7 @@ declare namespace url {
          * @useinstead ohos.url.URLParams.getAll
          * @syscap SystemCapability.Utils.Lang
          * @param name Specifies the name of a key value.
-         * @return string[] Returns all key-value pairs with the specified name.
+         * @returns string[] Returns all key-value pairs with the specified name.
          */
         getAll(name: string): string[];
 
@@ -81,7 +81,7 @@ declare namespace url {
          * @deprecated since 9
          * @useinstead ohos.url.URLParams.entries
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns an iterator for ES6.
+         * @returns Returns an iterator for ES6.
          */
         entries(): IterableIterator<[string, string]>;
 
@@ -105,7 +105,7 @@ declare namespace url {
          * @useinstead ohos.url.URLParams.get
          * @syscap SystemCapability.Utils.Lang
          * @param name Specifies the name of a key-value pair.
-         * @return Returns the first value found by name. If no value is found, null is returned.
+         * @returns Returns the first value found by name. If no value is found, null is returned.
          */
         get(name: string): string | null;
 
@@ -116,7 +116,7 @@ declare namespace url {
          * @useinstead ohos.url.URLParams.has
          * @syscap SystemCapability.Utils.Lang
          * @param name Specifies the name of a key-value pair.
-         * @return Returns a Boolean value that indicates whether a found
+         * @returns Returns a Boolean value that indicates whether a found
          */
         has(name: string): boolean;
 
@@ -149,7 +149,7 @@ declare namespace url {
          * @deprecated since 9
          * @useinstead ohos.url.URLParams.keys
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns an ES6 Iterator over the names of each name-value pair.
+         * @returns Returns an ES6 Iterator over the names of each name-value pair.
          */
         keys(): IterableIterator<string>;
 
@@ -159,7 +159,7 @@ declare namespace url {
          * @deprecated since 9
          * @useinstead ohos.url.URLParams.values
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns an ES6 Iterator over the values of each name-value pair.
+         * @returns Returns an ES6 Iterator over the values of each name-value pair.
          */
         values(): IterableIterator<string>;
 
@@ -170,7 +170,7 @@ declare namespace url {
          * @deprecated since 9
          * @useinstead ohos.url.URLParams.[Symbol.iterator]
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns an ES6 iterator. Each item of the iterator is a JavaScript Array. 
+         * @returns Returns an ES6 iterator. Each item of the iterator is a JavaScript Array. 
          * The first item of Array is name, and the second item of Array is value.
          */
         [Symbol.iterator](): IterableIterator<[string, string]>;
@@ -181,7 +181,7 @@ declare namespace url {
          * @deprecated since 9
          * @useinstead ohos.url.URLParams.toString
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns a search parameter serialized as a string, percent-encoded if necessary.
+         * @returns Returns a search parameter serialized as a string, percent-encoded if necessary.
          */
         toString(): string;
     }
@@ -230,7 +230,7 @@ declare namespace url {
          * @since 9
          * @syscap SystemCapability.Utils.Lang
          * @param name Specifies the name of a key value.
-         * @return string[] Returns all key-value pairs with the specified name.
+         * @returns string[] Returns all key-value pairs with the specified name.
          * @throws {BusinessError} 401 - The type of name must be string.
          */
         getAll(name: string): string[];
@@ -240,7 +240,7 @@ declare namespace url {
          * The first item of Array is name, and the second item of Array is value.
          * @since 9
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns an iterator for ES6.
+         * @returns Returns an iterator for ES6.
          */
         entries(): IterableIterator<[string, string]>;
 
@@ -261,7 +261,7 @@ declare namespace url {
          * @since 9
          * @syscap SystemCapability.Utils.Lang
          * @param name Specifies the name of a key-value pair.
-         * @return Returns the first value found by name. If no value is found, null is returned.
+         * @returns Returns the first value found by name. If no value is found, null is returned.
          * @throws {BusinessError} 401 - The type of name must be string.
          */
         get(name: string): string | null;
@@ -271,7 +271,7 @@ declare namespace url {
          * @since 9
          * @syscap SystemCapability.Utils.Lang
          * @param name Specifies the name of a key-value pair.
-         * @return Returns a Boolean value that indicates whether a found
+         * @returns Returns a Boolean value that indicates whether a found
          * @throws {BusinessError} 401 - The type of name must be string.
          */
         has(name: string): boolean;
@@ -300,7 +300,7 @@ declare namespace url {
          * Returns an iterator allowing to go through all keys contained in this object.
          * @since 9
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns an ES6 Iterator over the names of each name-value pair.
+         * @returns Returns an ES6 Iterator over the names of each name-value pair.
          */
         keys(): IterableIterator<string>;
 
@@ -308,7 +308,7 @@ declare namespace url {
          * Returns an iterator allowing to go through all values contained in this object.
          * @since 9
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns an ES6 Iterator over the values of each name-value pair.
+         * @returns Returns an ES6 Iterator over the values of each name-value pair.
          */
         values(): IterableIterator<string>;
 
@@ -317,7 +317,7 @@ declare namespace url {
          * pairs contained in this object.
          * @since 9
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns an ES6 iterator. Each item of the iterator is a JavaScript Array. 
+         * @returns Returns an ES6 iterator. Each item of the iterator is a JavaScript Array. 
          * The first item of Array is name, and the second item of Array is value.
          */
         [Symbol.iterator](): IterableIterator<[string, string]>;
@@ -326,7 +326,7 @@ declare namespace url {
          * Returns a query string suitable for use in a URL.
          * @since 9
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns a search parameter serialized as a string, percent-encoded if necessary.
+         * @returns Returns a search parameter serialized as a string, percent-encoded if necessary.
          */
         toString(): string;
     }
@@ -369,7 +369,7 @@ declare namespace url {
          * Returns the serialized URL as a string.
          * @since 7
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns the serialized URL as a string.
+         * @returns Returns the serialized URL as a string.
          */
         toString(): string;
 
@@ -377,7 +377,7 @@ declare namespace url {
          * Returns the serialized URL as a string.
          * @since 7
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns the serialized URL as a string.
+         * @returns Returns the serialized URL as a string.
          */
         toJSON(): string;
 
@@ -457,9 +457,6 @@ declare namespace url {
          * the URL instance. To replace the entire query parameter for a URL, use url.searchsetter.
          * @since 7
          * @syscap SystemCapability.Utils.Lang
-         * @note Be careful when modifying with .searchParams, because the URLSearchParams
-         * object uses different rules to determine which characters to
-         * percent-encode according to the WHATWG specification.
          */
         readonly searchParams: URLSearchParams;
 
diff --git a/api/@ohos.util.d.ts b/api/@ohos.util.d.ts
index 71a15492b2603cdb5f9f2c4c63958bc901bdb122..a5f95ed44f06e7ca7e222be4d7d8e7e1c0abf0fd 100644
--- a/api/@ohos.util.d.ts
+++ b/api/@ohos.util.d.ts
@@ -44,7 +44,7 @@ declare namespace util {
      * @syscap SystemCapability.Utils.Lang
      * @param format Styled string
      * @param args Data to be formatted
-     * @return Return the character string formatted in a specific format
+     * @returns Return the character string formatted in a specific format
      */
     function printf(format: string, ...args: Object[]): string;
 
@@ -69,7 +69,7 @@ declare namespace util {
      * @syscap SystemCapability.Utils.Lang
      * @param format Styled string
      * @param args Data to be formatted
-     * @return Return the character string formatted in a specific format
+     * @returns Return the character string formatted in a specific format
      * @throws {BusinessError} 401 - if the input parameters are invalid.
      */
     function format(format: string, ...args: Object[]): string;
@@ -81,7 +81,7 @@ declare namespace util {
      * @useinstead ohos.util.errnoToString
      * @syscap SystemCapability.Utils.Lang
      * @param errno The error code generated by an error in the system
-     * @return Return the string name of a system errno
+     * @returns Return the string name of a system errno
      */
     function getErrorString(errno: number): string;
 
@@ -90,7 +90,7 @@ declare namespace util {
      * @since 9
      * @syscap SystemCapability.Utils.Lang
      * @param errno The error code generated by an error in the system
-     * @return Return the string name of a system errno
+     * @returns Return the string name of a system errno
      * @throws {BusinessError} 401 - The type of errno must be number.
      */
     function errnoToString(errno: number): string;
@@ -111,7 +111,7 @@ declare namespace util {
      * @since 9
      * @syscap SystemCapability.Utils.Lang
      * @param original Asynchronous function
-     * @return Return a function that returns promises
+     * @returns Return a function that returns promises
      * @throws {BusinessError} 401 - The type of original must be Function.
      */
     function promisify(original: (err: Object, value: Object) => void): Function;
@@ -124,7 +124,7 @@ declare namespace util {
      * @useinstead ohos.util.promisify
      * @syscap SystemCapability.Utils.Lang
      * @param original Asynchronous function
-     * @return Return a version that returns promises
+     * @returns Return a version that returns promises
      */
     function promiseWrapper(original: (err: Object, value: Object) => void): Object;
 
@@ -133,7 +133,7 @@ declare namespace util {
      * @since 9
      * @syscap SystemCapability.Utils.Lang
      * @param entropyCache Whether to generate the UUID with using the cache. Default: true.
-     * @return Return a string representing this UUID.
+     * @returns Return a string representing this UUID.
      * @throws {BusinessError} 401 - The type of entropyCache must be boolean.
      */
     function randomUUID(entropyCache?: boolean): string;
@@ -143,7 +143,7 @@ declare namespace util {
      * @since 9
      * @syscap SystemCapability.Utils.Lang
      * @param entropyCache Whether to generate the UUID with using the cache. Default: true.
-     * @return Return a Uint8Array representing this UUID.
+     * @returns Return a Uint8Array representing this UUID.
      * @throws {BusinessError} 401 - The type of entropyCache must be boolean.
      */
     function randomBinaryUUID(entropyCache?: boolean): Uint8Array;
@@ -153,7 +153,7 @@ declare namespace util {
      * @since 9
      * @syscap SystemCapability.Utils.Lang
      * @param uuid String that specifies a UUID
-     * @return Return a Uint8Array representing this UUID. Throw SyntaxError if parsing fails.
+     * @returns Return a Uint8Array representing this UUID. Throw SyntaxError if parsing fails.
      * @throws {BusinessError} 401 - The type of uuid must be string.
      */
     function parseUUID(uuid: string): Uint8Array;
@@ -225,7 +225,7 @@ declare namespace util {
          * @useinstead ohos.util.decodeWithStream
          * @syscap SystemCapability.Utils.Lang
          * @param input Decoded numbers in accordance with the format
-         * @return Return decoded text
+         * @returns Return decoded text
          */
         decode(input: Uint8Array, options?: { stream?: false }): string;
 
@@ -234,7 +234,7 @@ declare namespace util {
          * @since 9
          * @syscap SystemCapability.Utils.Lang
          * @param input Decoded numbers in accordance with the format
-         * @return Return decoded text
+         * @returns Return decoded text
          * @throws {BusinessError} 401 - if the input parameters are invalid.
          */
         decodeWithStream(input: Uint8Array, options?: { stream?: boolean }): string;
@@ -277,7 +277,7 @@ declare namespace util {
          * @useinstead ohos.util.encodeInto
          * @syscap SystemCapability.Utils.Lang
          * @param input The string to be encoded.
-         * @return Returns the encoded text.
+         * @returns Returns the encoded text.
          */
         encode(input?: string): Uint8Array;
 
@@ -286,7 +286,7 @@ declare namespace util {
          * @since 9
          * @syscap SystemCapability.Utils.Lang
          * @param input The string to be encoded.
-         * @return Returns the encoded text.
+         * @returns Returns the encoded text.
          * @throws {BusinessError} 401 - The type of input must be string.
          */
         encodeInto(input?: string): Uint8Array;
@@ -299,7 +299,7 @@ declare namespace util {
          * @syscap SystemCapability.Utils.Lang
          * @param input The string to be encoded.
          * @param dest Decoded numbers in accordance with the format
-         * @return Returns Returns the object, where read represents
+         * @returns Returns Returns the object, where read represents
          * the number of characters that have been encoded, and written
          * represents the number of bytes occupied by the encoded characters.
          */
@@ -314,7 +314,7 @@ declare namespace util {
          * @syscap SystemCapability.Utils.Lang
          * @param input The string to be encoded.
          * @param dest Decoded numbers in accordance with the format
-         * @return Returns Returns the object, where read represents
+         * @returns Returns Returns the object, where read represents
          * the number of characters that have been encoded, and written
          * represents the number of bytes occupied by the encoded characters.
          * @throws {BusinessError} 401 - if the input parameters are invalid.
@@ -364,7 +364,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param rationalString String Expression of Rational Numbers
-         * @return Returns a RationalNumber object generated based on the given string.
+         * @returns Returns a RationalNumber object generated based on the given string.
          * @throws {BusinessError} 401 - The type of rationalString must be string.
          */
         static createRationalFromString(rationalString: string): RationalNumber​;
@@ -376,7 +376,7 @@ declare namespace util {
          * @useinstead ohos.util.compare
          * @syscap SystemCapability.Utils.Lang
          * @param another An object of other rational numbers
-         * @return Returns 0 or 1, or -1, depending on the comparison.
+         * @returns Returns 0 or 1, or -1, depending on the comparison.
          */
         compareTo(another :RationalNumber): number;
 
@@ -385,7 +385,7 @@ declare namespace util {
          * @since 9
          * @syscap SystemCapability.Utils.Lang
          * @param another An object of other rational numbers
-         * @return Returns 0 or 1, or -1, depending on the comparison.
+         * @returns Returns 0 or 1, or -1, depending on the comparison.
          * @throws {BusinessError} 401 - The type of another must be RationalNumber.
          */
         compare(another :RationalNumber): number;
@@ -395,7 +395,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param obj An object
-         * @return Returns true if the given object is the same as the current object; Otherwise, false is returned.
+         * @returns Returns true if the given object is the same as the current object; Otherwise, false is returned.
          */
         equals(obj: Object): boolean;
         
@@ -403,7 +403,7 @@ declare namespace util {
          * Gets integer and floating-point values of a rational number object.
          * @since 8
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns the integer and floating-point values of a rational number object.
+         * @returns Returns the integer and floating-point values of a rational number object.
          */
         valueOf(): number;
 
@@ -415,7 +415,7 @@ declare namespace util {
          * @syscap SystemCapability.Utils.Lang
          * @param number1 Is an integer.
          * @param number2 Is an integer.
-         * @return Returns the greatest common divisor of two integers, integer type.
+         * @returns Returns the greatest common divisor of two integers, integer type.
          */
         static getCommonDivisor(number1: number, number2: number): number;
 
@@ -425,7 +425,7 @@ declare namespace util {
          * @syscap SystemCapability.Utils.Lang
          * @param number1 Is an integer.
          * @param number2 Is an integer.
-         * @return Returns the greatest common divisor of two integers, integer type.
+         * @returns Returns the greatest common divisor of two integers, integer type.
          * @throws {BusinessError} 401 - if the input parameters are invalid.
          */
         static getCommonFactor(number1: number, number2: number): number;
@@ -434,7 +434,7 @@ declare namespace util {
          * Gets the denominator of the current object.
          * @since 8
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns the denominator of the current object.
+         * @returns Returns the denominator of the current object.
          */
         getDenominator(): number;
 
@@ -442,7 +442,7 @@ declare namespace util {
          * Gets the numerator​ of the current object.
          * @since 8
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns the numerator​ of the current object.
+         * @returns Returns the numerator​ of the current object.
          */
         getNumerator(): number;
 
@@ -450,7 +450,7 @@ declare namespace util {
          * Checks whether the current RationalNumber object represents an infinite value.
          * @since 8
          * @syscap SystemCapability.Utils.Lang
-         * @return If the denominator is not 0, true is returned. Otherwise, false is returned.
+         * @returns If the denominator is not 0, true is returned. Otherwise, false is returned.
          */
         isFinite(): boolean;
 
@@ -458,7 +458,7 @@ declare namespace util {
          * Checks whether the current RationalNumber object represents a Not-a-Number (NaN) value.
          * @since 8
          * @syscap SystemCapability.Utils.Lang
-         * @return If both the denominator and numerator are 0, true is returned. Otherwise, false is returned.
+         * @returns If both the denominator and numerator are 0, true is returned. Otherwise, false is returned.
          */
         isNaN(): boolean;
 
@@ -466,7 +466,7 @@ declare namespace util {
          * Checks whether the current RationalNumber object represents the value 0.
          * @since 8
          * @syscap SystemCapability.Utils.Lang
-         * @return If the value represented by the current object is 0, true is returned. Otherwise, false is returned.
+         * @returns If the value represented by the current object is 0, true is returned. Otherwise, false is returned.
          */
         isZero(): boolean;
 
@@ -474,7 +474,7 @@ declare namespace util {
          * Obtains a string representation of the current RationalNumber object.
          * @since 8
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns a string representation of the current RationalNumber object.
+         * @returns Returns a string representation of the current RationalNumber object.
          */
         toString(): string;
     }
@@ -513,7 +513,7 @@ declare namespace util {
          * @deprecated since 9
          * @useinstead ohos.util.LRUCache.toString
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns the string representation of the object and outputs the string representation of the object.
+         * @returns Returns the string representation of the object and outputs the string representation of the object.
          */
         toString(): string
 
@@ -523,7 +523,7 @@ declare namespace util {
          * @deprecated since 9
          * @useinstead ohos.util.LRUCache.length
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns the total number of values in the current buffer.
+         * @returns Returns the total number of values in the current buffer.
          */
         length: number
 
@@ -533,7 +533,7 @@ declare namespace util {
          * @deprecated since 9
          * @useinstead ohos.util.LRUCache.getCapacity
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns the capacity of the current buffer.
+         * @returns Returns the capacity of the current buffer.
          */
         getCapacity(): number;
 
@@ -552,7 +552,7 @@ declare namespace util {
          * @deprecated since 9
          * @useinstead ohos.util.LRUCache.getCreateCount
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns the number of times createDefault(java.lang.Object) returned a value.
+         * @returns Returns the number of times createDefault(java.lang.Object) returned a value.
          */
         getCreateCount(): number;
 
@@ -562,7 +562,7 @@ declare namespace util {
          * @deprecated since 9
          * @useinstead ohos.util.LRUCache.getMissCount
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns the number of times that the queried values are not matched.
+         * @returns Returns the number of times that the queried values are not matched.
          */
         getMissCount(): number;
 
@@ -572,7 +572,7 @@ declare namespace util {
          * @deprecated since 9
          * @useinstead ohos.util.LRUCache.getRemovalCount
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns the number of times that values are evicted from the buffer.
+         * @returns Returns the number of times that values are evicted from the buffer.
          */
         getRemovalCount(): number;
 
@@ -582,7 +582,7 @@ declare namespace util {
          * @deprecated since 9
          * @useinstead ohos.util.LRUCache.getMatchCount
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns the number of times that the queried values are successfully matched.
+         * @returns Returns the number of times that the queried values are successfully matched.
          */
         getMatchCount(): number;
 
@@ -592,7 +592,7 @@ declare namespace util {
          * @deprecated since 9
          * @useinstead ohos.util.LRUCache.getPutCount
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns the number of times that values are added to the buffer.
+         * @returns Returns the number of times that values are added to the buffer.
          */
         getPutCount(): number;
 
@@ -602,7 +602,7 @@ declare namespace util {
          * @deprecated since 9
          * @useinstead ohos.util.LRUCache.isEmpty
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns true if the current buffer contains no value.
+         * @returns Returns true if the current buffer contains no value.
          */
         isEmpty(): boolean;
 
@@ -613,7 +613,7 @@ declare namespace util {
          * @useinstead ohos.util.LRUCache.get
          * @syscap SystemCapability.Utils.Lang
          * @param key Indicates the key to query.
-         * @return Returns the value associated with the key if the specified key is present in the buffer; returns null otherwise.
+         * @returns Returns the value associated with the key if the specified key is present in the buffer; returns null otherwise.
          */
         get(key: K): V | undefined;
 
@@ -625,7 +625,7 @@ declare namespace util {
          * @syscap SystemCapability.Utils.Lang
          * @param key Indicates the key to add.
          * @param value Indicates the value associated with the key to add.
-         * @return Returns the value associated with the added key; returns the original value if the key to add already exists.
+         * @returns Returns the value associated with the added key; returns the original value if the key to add already exists.
          */
         put(key: K, value: V): V;
 
@@ -635,7 +635,7 @@ declare namespace util {
          * @deprecated since 9
          * @useinstead ohos.util.LRUCache.values
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns the list of all values in the current buffer in ascending order, from the most recently accessed to least recently accessed.
+         * @returns Returns the list of all values in the current buffer in ascending order, from the most recently accessed to least recently accessed.
          */
         values(): V[];
 
@@ -645,7 +645,7 @@ declare namespace util {
          * @deprecated since 9
          * @useinstead ohos.util.LRUCache.keys
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns a list of keys sorted from most recently accessed to least recently accessed.
+         * @returns Returns a list of keys sorted from most recently accessed to least recently accessed.
          */
         keys(): K[];
 
@@ -656,7 +656,7 @@ declare namespace util {
          * @useinstead ohos.util.LRUCache.remove
          * @syscap SystemCapability.Utils.Lang
          * @param key Indicates the key to delete.
-         * @return Returns an Optional object containing the deleted key-value pair; returns an empty Optional object if the key does not exist.
+         * @returns Returns an Optional object containing the deleted key-value pair; returns an empty Optional object if the key does not exist.
          */
         remove(key: K): V | undefined;
 
@@ -680,7 +680,7 @@ declare namespace util {
          * @useinstead ohos.util.LRUCache.contains
          * @syscap SystemCapability.Utils.Lang
          * @param key Indicates the key to check.
-         * @return Returns true if the buffer contains the specified key.
+         * @returns Returns true if the buffer contains the specified key.
          */
         contains(key: K): boolean;
 
@@ -691,7 +691,7 @@ declare namespace util {
          * @useinstead ohos.util.LRUCache.createDefault
          * @syscap SystemCapability.Utils.Lang
          * @param key Indicates the missed key.
-         * @return Returns the value associated with the key.
+         * @returns Returns the value associated with the key.
          */
         createDefault(key: K): V;
 
@@ -701,7 +701,7 @@ declare namespace util {
          * @deprecated since 9
          * @useinstead ohos.util.LRUCache.entries
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns an array of key-value pairs for the enumeratable properties of the given object itself.
+         * @returns Returns an array of key-value pairs for the enumeratable properties of the given object itself.
          */
         entries(): IterableIterator<[K, V]>;
 
@@ -711,7 +711,7 @@ declare namespace util {
          * @deprecated since 9
          * @useinstead ohos.util.LRUCache.[Symbol.iterator]
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns a two - dimensional array in the form of key - value pairs.
+         * @returns Returns a two - dimensional array in the form of key - value pairs.
          */
         [Symbol.iterator](): IterableIterator<[K, V]>;
     }
@@ -743,7 +743,7 @@ declare namespace util {
          * Returns a string representation of the object.
          * @since 9
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns the string representation of the object and outputs the string representation of the object.
+         * @returns Returns the string representation of the object and outputs the string representation of the object.
          */
         toString(): string
 
@@ -751,7 +751,7 @@ declare namespace util {
          * Obtains a list of all values in the current buffer.
          * @since 9
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns the total number of values in the current buffer.
+         * @returns Returns the total number of values in the current buffer.
          */
         length: number
 
@@ -759,7 +759,7 @@ declare namespace util {
          * Obtains the capacity of the current buffer.
          * @since 9
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns the capacity of the current buffer.
+         * @returns Returns the capacity of the current buffer.
          */
         getCapacity(): number;
 
@@ -774,7 +774,7 @@ declare namespace util {
          * Obtains the number of times createDefault(Object) returned a value.
          * @since 9
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns the number of times createDefault(java.lang.Object) returned a value.
+         * @returns Returns the number of times createDefault(java.lang.Object) returned a value.
          */
         getCreateCount(): number;
 
@@ -782,7 +782,7 @@ declare namespace util {
          * Obtains the number of times that the queried values are not matched.
          * @since 9
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns the number of times that the queried values are not matched.
+         * @returns Returns the number of times that the queried values are not matched.
          */
         getMissCount(): number;
 
@@ -790,7 +790,7 @@ declare namespace util {
          * Obtains the number of times that values are evicted from the buffer.
          * @since 9
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns the number of times that values are evicted from the buffer.
+         * @returns Returns the number of times that values are evicted from the buffer.
          */
         getRemovalCount(): number;
 
@@ -798,7 +798,7 @@ declare namespace util {
          * Obtains the number of times that the queried values are successfully matched.
          * @since 9
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns the number of times that the queried values are successfully matched.
+         * @returns Returns the number of times that the queried values are successfully matched.
          */
         getMatchCount(): number;
 
@@ -806,7 +806,7 @@ declare namespace util {
          * Obtains the number of times that values are added to the buffer.
          * @since 9
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns the number of times that values are added to the buffer.
+         * @returns Returns the number of times that values are added to the buffer.
          */
         getPutCount(): number;
 
@@ -814,7 +814,7 @@ declare namespace util {
          * Checks whether the current buffer is empty.
          * @since 9
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns true if the current buffer contains no value.
+         * @returns Returns true if the current buffer contains no value.
          */
         isEmpty(): boolean;
 
@@ -823,7 +823,7 @@ declare namespace util {
          * @since 9
          * @syscap SystemCapability.Utils.Lang
          * @param key Indicates the key to query.
-         * @return Returns the value associated with the key if the specified key is present in the buffer; returns null otherwise.
+         * @returns Returns the value associated with the key if the specified key is present in the buffer; returns null otherwise.
          * @throws {BusinessError} 401 - The type of key must be object.
          */
         get(key: K): V | undefined;
@@ -834,7 +834,7 @@ declare namespace util {
          * @syscap SystemCapability.Utils.Lang
          * @param key Indicates the key to add.
          * @param value Indicates the value associated with the key to add.
-         * @return Returns the value associated with the added key; returns the original value if the key to add already exists.
+         * @returns Returns the value associated with the added key; returns the original value if the key to add already exists.
          * @throws {BusinessError} 401 - if the input parameters are invalid.
          */
         put(key: K, value: V): V;
@@ -843,7 +843,7 @@ declare namespace util {
          * Obtains a list of all values in the current buffer.
          * @since 9
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns the list of all values in the current buffer in ascending order, from the most recently accessed to least recently accessed.
+         * @returns Returns the list of all values in the current buffer in ascending order, from the most recently accessed to least recently accessed.
          */
         values(): V[];
 
@@ -851,7 +851,7 @@ declare namespace util {
          * Obtains a list of keys for the values in the current buffer.
          * since 9
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns a list of keys sorted from most recently accessed to least recently accessed.
+         * @returns Returns a list of keys sorted from most recently accessed to least recently accessed.
          */
         keys(): K[];
         
@@ -860,7 +860,7 @@ declare namespace util {
          * @since 9
          * @syscap SystemCapability.Utils.Lang
          * @param key Indicates the key to delete.
-         * @return Returns an Optional object containing the deleted key-value pair; returns an empty Optional object if the key does not exist.
+         * @returns Returns an Optional object containing the deleted key-value pair; returns an empty Optional object if the key does not exist.
          * @throws {BusinessError} 401 - The type of key must be object.
          */
         remove(key: K): V | undefined;
@@ -882,7 +882,7 @@ declare namespace util {
          * @since 9
          * @syscap SystemCapability.Utils.Lang
          * @param key Indicates the key to check.
-         * @return Returns true if the buffer contains the specified key.
+         * @returns Returns true if the buffer contains the specified key.
          * @throws {BusinessError} 401 - The type of key must be object.
          */
         contains(key: object): boolean;
@@ -892,7 +892,7 @@ declare namespace util {
          * @since 9
          * @syscap SystemCapability.Utils.Lang
          * @param key Indicates the missed key.
-         * @return Returns the value associated with the key.
+         * @returns Returns the value associated with the key.
          * @throws {BusinessError} 401 - The type of key must be object.
          */
         createDefault(key: K): V;
@@ -901,7 +901,7 @@ declare namespace util {
          * Returns an array of key-value pairs of enumeratable properties of a given object.
          * @since 9
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns an array of key-value pairs for the enumeratable properties of the given object itself.
+         * @returns Returns an array of key-value pairs for the enumeratable properties of the given object itself.
          */
         entries(): IterableIterator<[K, V]>;
 
@@ -909,7 +909,7 @@ declare namespace util {
          * Specifies the default iterator for an object.
          * @since 9
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns a two - dimensional array in the form of key - value pairs.
+         * @returns Returns a two - dimensional array in the form of key - value pairs.
          */
         [Symbol.iterator](): IterableIterator<[K, V]>;
     }
@@ -919,7 +919,7 @@ declare namespace util {
          * The comparison function is used by the scope.
          * @since 8
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns whether the current object is greater than or equal to the input object.
+         * @returns Returns whether the current object is greater than or equal to the input object.
          */
         compareTo(other: ScopeComparable): boolean;
     }
@@ -956,7 +956,7 @@ declare namespace util {
          * @deprecated since 9
          * @useinstead ohos.util.ScopeHelper.toString
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns a string representation of the current range object.
+         * @returns Returns a string representation of the current range object.
          */
         toString(): string;
 
@@ -967,7 +967,7 @@ declare namespace util {
          * @useinstead ohos.util.ScopeHelper.intersect
          * @syscap SystemCapability.Utils.Lang
          * @param range A Scope range object
-         * @return Returns the intersection of a given range and the current range.
+         * @returns Returns the intersection of a given range and the current range.
          */
         intersect(range: Scope): Scope;
 
@@ -979,7 +979,7 @@ declare namespace util {
          * @syscap SystemCapability.Utils.Lang
          * @param lowerObj A ScopeType value
          * @param upperObj A ScopeType value
-         * @return Returns the intersection of the current range and the range specified by the given lower and upper bounds.
+         * @returns Returns the intersection of the current range and the range specified by the given lower and upper bounds.
          */
         intersect(lowerObj: ScopeType, upperObj: ScopeType): Scope;
 
@@ -989,7 +989,7 @@ declare namespace util {
          * @deprecated since 9
          * @useinstead ohos.util.ScopeHelper.getUpper
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns the upper bound of the current range.
+         * @returns Returns the upper bound of the current range.
          */
         getUpper(): ScopeType;
 
@@ -999,7 +999,7 @@ declare namespace util {
          * @deprecated since 9
          * @useinstead ohos.util.ScopeHelper.getLower
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns the lower bound of the current range.
+         * @returns Returns the lower bound of the current range.
          */
         getLower(): ScopeType;
 
@@ -1011,7 +1011,7 @@ declare namespace util {
          * @syscap SystemCapability.Utils.Lang
          * @param lowerObj A ScopeType value
          * @param upperObj A ScopeType value
-         * @return Returns the smallest range that includes the current range and the given lower and upper bounds.
+         * @returns Returns the smallest range that includes the current range and the given lower and upper bounds.
          */
         expand(lowerObj: ScopeType, upperObj: ScopeType): Scope;
 
@@ -1022,7 +1022,7 @@ declare namespace util {
          * @useinstead ohos.util.ScopeHelper.expand
          * @syscap SystemCapability.Utils.Lang
          * @param range A Scope range object
-         * @return Returns the smallest range that includes the current range and a given range.
+         * @returns Returns the smallest range that includes the current range and a given range.
          */
         expand(range: Scope): Scope;
 
@@ -1033,7 +1033,7 @@ declare namespace util {
          * @useinstead ohos.util.ScopeHelper.expand
          * @syscap SystemCapability.Utils.Lang
          * @param value A ScopeType value
-         * @return Returns the smallest range that includes the current range and a given value.
+         * @returns Returns the smallest range that includes the current range and a given value.
          */
         expand(value: ScopeType): Scope;
 
@@ -1044,7 +1044,7 @@ declare namespace util {
          * @useinstead ohos.util.ScopeHelper.contains
          * @syscap SystemCapability.Utils.Lang
          * @param value A ScopeType value
-         * @return If the value is within the current range return true,otherwise return false.
+         * @returns If the value is within the current range return true,otherwise return false.
          */
         contains(value: ScopeType): boolean;
 
@@ -1055,7 +1055,7 @@ declare namespace util {
          * @useinstead ohos.util.ScopeHelper.contains
          * @syscap SystemCapability.Utils.Lang
          * @param range A Scope range
-         * @return If the current range is within the given range return true,otherwise return false.
+         * @returns If the current range is within the given range return true,otherwise return false.
          */
         contains(range: Scope): boolean;
 
@@ -1066,7 +1066,7 @@ declare namespace util {
          * @useinstead ohos.util.ScopeHelper.clamp
          * @syscap SystemCapability.Utils.Lang
          * @param value A ScopeType value
-         * @return Returns a ScopeType object that a given value is clamped to the current range..
+         * @returns Returns a ScopeType object that a given value is clamped to the current range..
          */
         clamp(value: ScopeType): ScopeType;
     }
@@ -1091,7 +1091,7 @@ declare namespace util {
          * Obtains a string representation of the current range.
          * @since 9
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns a string representation of the current range object.
+         * @returns Returns a string representation of the current range object.
          */
         toString(): string;
 
@@ -1100,7 +1100,7 @@ declare namespace util {
          * @since 9
          * @syscap SystemCapability.Utils.Lang
          * @param range A Scope range object
-         * @return Returns the intersection of a given range and the current range.
+         * @returns Returns the intersection of a given range and the current range.
          * @throws {BusinessError} 401 - The type of range must be ScopeHelper.
          */
         intersect(range: ScopeHelper): ScopeHelper;
@@ -1111,7 +1111,7 @@ declare namespace util {
          * @syscap SystemCapability.Utils.Lang
          * @param lowerObj A ScopeType value
          * @param upperObj A ScopeType value
-         * @return Returns the intersection of the current range and the range specified by the given lower and upper bounds.
+         * @returns Returns the intersection of the current range and the range specified by the given lower and upper bounds.
          * @throws {BusinessError} 401 - if the input parameters are invalid.
          */
         intersect(lowerObj: ScopeType, upperObj: ScopeType): ScopeHelper;
@@ -1120,7 +1120,7 @@ declare namespace util {
          * Obtains the upper bound of the current range.
          * @since 9
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns the upper bound of the current range.
+         * @returns Returns the upper bound of the current range.
          */
         getUpper(): ScopeType;
 
@@ -1128,7 +1128,7 @@ declare namespace util {
          * Obtains the lower bound of the current range.
          * @since 9
          * @syscap SystemCapability.Utils.Lang
-         * @return Returns the lower bound of the current range.
+         * @returns Returns the lower bound of the current range.
          */
         getLower(): ScopeType;
 
@@ -1138,7 +1138,7 @@ declare namespace util {
          * @syscap SystemCapability.Utils.Lang
          * @param lowerObj A ScopeType value
          * @param upperObj A ScopeType value
-         * @return Returns the smallest range that includes the current range and the given lower and upper bounds.
+         * @returns Returns the smallest range that includes the current range and the given lower and upper bounds.
          * @throws {BusinessError} 401 - if the input parameters are invalid.
          */
         expand(lowerObj: ScopeType, upperObj: ScopeType): ScopeHelper;
@@ -1148,7 +1148,7 @@ declare namespace util {
          * @since 9
          * @syscap SystemCapability.Utils.Lang
          * @param range A Scope range object
-         * @return Returns the smallest range that includes the current range and a given range.
+         * @returns Returns the smallest range that includes the current range and a given range.
          * @throws {BusinessError} 401 - The type of range must be ScopeHelper.
          */
         expand(range: ScopeHelper): ScopeHelper;
@@ -1158,7 +1158,7 @@ declare namespace util {
          * @since 9
          * @syscap SystemCapability.Utils.Lang
          * @param value A ScopeType value
-         * @return Returns the smallest range that includes the current range and a given value.
+         * @returns Returns the smallest range that includes the current range and a given value.
          * @throws {BusinessError} 401 - The type of value must be object.
          */
         expand(value: ScopeType): ScopeHelper;
@@ -1168,7 +1168,7 @@ declare namespace util {
          * @since 9
          * @syscap SystemCapability.Utils.Lang
          * @param value A ScopeType value
-         * @return If the value is within the current range return true,otherwise return false.
+         * @returns If the value is within the current range return true,otherwise return false.
          * @throws {BusinessError} 401 - The type of value must be object.
          */
         contains(value: ScopeType): boolean;
@@ -1178,7 +1178,7 @@ declare namespace util {
          * @since 9
          * @syscap SystemCapability.Utils.Lang
          * @param range A Scope range
-         * @return If the current range is within the given range return true,otherwise return false.
+         * @returns If the current range is within the given range return true,otherwise return false.
          * @throws {BusinessError} 401 - The type of range must be ScopeHelper.
          */
         contains(range: ScopeHelper): boolean;
@@ -1188,7 +1188,7 @@ declare namespace util {
          * @since 9
          * @syscap SystemCapability.Utils.Lang
          * @param value A ScopeType value
-         * @return Returns a ScopeType object that a given value is clamped to the current range.
+         * @returns Returns a ScopeType object that a given value is clamped to the current range.
          * @throws {BusinessError} 401 - The type of value must be object.
          */
         clamp(value: ScopeType): ScopeType;
@@ -1210,7 +1210,7 @@ declare namespace util {
          * @useinstead ohos.util.Base64Helper.constructor
          * @syscap SystemCapability.Utils.Lang
          * @param No input parameter is required.
-         * @return No return value.
+         * @returns No return value.
          */
         constructor();
 
@@ -1221,7 +1221,7 @@ declare namespace util {
          * @useinstead ohos.util.Base64Helper.encodeSync
          * @syscap SystemCapability.Utils.Lang
          * @param src A Uint8Array value
-         * @return Return the encoded new Uint8Array.
+         * @returns Return the encoded new Uint8Array.
          */
         encodeSync(src: Uint8Array): Uint8Array;
 
@@ -1232,7 +1232,7 @@ declare namespace util {
          * @useinstead ohos.util.Base64Helper.encodeToStringSync
          * @syscap SystemCapability.Utils.Lang
          * @param src A Uint8Array value
-         * @return Return the encoded string.
+         * @returns Return the encoded string.
          */
         encodeToStringSync(src: Uint8Array): string;
 
@@ -1243,7 +1243,7 @@ declare namespace util {
          * @useinstead ohos.util.Base64Helper.decodeSync
          * @syscap SystemCapability.Utils.Lang
          * @param src A Uint8Array value or value A string value
-         * @return Return the decoded Uint8Array.
+         * @returns Return the decoded Uint8Array.
          */
         decodeSync(src: Uint8Array | string): Uint8Array;
 
@@ -1254,7 +1254,7 @@ declare namespace util {
          * @useinstead ohos.util.Base64Helper.encode
          * @syscap SystemCapability.Utils.Lang
          * @param src A Uint8Array value
-         * @return Return the encodes asynchronous new Uint8Array.
+         * @returns Return the encodes asynchronous new Uint8Array.
          */
         encode(src: Uint8Array): Promise<Uint8Array>;
 
@@ -1265,7 +1265,7 @@ declare namespace util {
          * @useinstead ohos.util.Base64Helper.encodeToString
          * @syscap SystemCapability.Utils.Lang
          * @param src A Uint8Array value
-         * @return Returns the encoded asynchronous string.
+         * @returns Returns the encoded asynchronous string.
          */
         encodeToString(src: Uint8Array): Promise<string>;
 
@@ -1276,7 +1276,7 @@ declare namespace util {
          * @useinstead ohos.util.Base64Helper.decode
          * @syscap SystemCapability.Utils.Lang
          * @param src A Uint8Array value or value A string value
-         * @return Return the decoded asynchronous Uint8Array.
+         * @returns Return the decoded asynchronous Uint8Array.
          */
         decode(src: Uint8Array | string): Promise<Uint8Array>;
     }
@@ -1293,7 +1293,7 @@ declare namespace util {
          * @since 9
          * @syscap SystemCapability.Utils.Lang
          * @param No input parameter is required.
-         * @return No return value.
+         * @returns No return value.
          */
         constructor();
 
@@ -1302,7 +1302,7 @@ declare namespace util {
          * @since 9
          * @syscap SystemCapability.Utils.Lang
          * @param src A Uint8Array value
-         * @return Return the encoded new Uint8Array.
+         * @returns Return the encoded new Uint8Array.
          * @throws {BusinessError} 401 - The type of src must be Uint8Array.
          */
         encodeSync(src: Uint8Array): Uint8Array;
@@ -1312,7 +1312,7 @@ declare namespace util {
          * @since 9
          * @syscap SystemCapability.Utils.Lang
          * @param src A Uint8Array value
-         * @return Return the encoded string.
+         * @returns Return the encoded string.
          * @throws {BusinessError} 401 - The type of src must be Uint8Array.
          */
         encodeToStringSync(src: Uint8Array): string;
@@ -1322,7 +1322,7 @@ declare namespace util {
          * @since 9
          * @syscap SystemCapability.Utils.Lang
          * @param src A Uint8Array value or value A string value
-         * @return Return the decoded Uint8Array.
+         * @returns Return the decoded Uint8Array.
          * @throws {BusinessError} 401 - The type of src must be Uint8Array or string.
          */
         decodeSync(src: Uint8Array | string): Uint8Array;
@@ -1332,7 +1332,7 @@ declare namespace util {
          * @since 9
          * @syscap SystemCapability.Utils.Lang
          * @param src A Uint8Array value
-         * @return Return the encodes asynchronous new Uint8Array.
+         * @returns Return the encodes asynchronous new Uint8Array.
          * @throws {BusinessError} 401 - The type of src must be Uint8Array.
          */
         encode(src: Uint8Array): Promise<Uint8Array>;
@@ -1342,7 +1342,7 @@ declare namespace util {
          * @since 9
          * @syscap SystemCapability.Utils.Lang
          * @param src A Uint8Array value
-         * @return Returns the encoded asynchronous string.
+         * @returns Returns the encoded asynchronous string.
          * @throws {BusinessError} 401 - The type of src must be Uint8Array.
          */
         encodeToString(src: Uint8Array): Promise<string>;
@@ -1353,7 +1353,7 @@ declare namespace util {
          * @since 9
          * @syscap SystemCapability.Utils.Lang
          * @param src A Uint8Array value or value A string value
-         * @return Return the decoded asynchronous Uint8Array.
+         * @returns Return the decoded asynchronous Uint8Array.
          * @throws {BusinessError} 401 - The type of src must be Uint8Array or string.
          */
         decode(src: Uint8Array | string): Promise<Uint8Array>;
@@ -1370,7 +1370,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param No input parameter is required.
-         * @return No return value.
+         * @returns No return value.
          */
         constructor();
         /**
@@ -1378,7 +1378,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A ArrayBuffer or SharedArrayBuffer value
-         * @Returns true if the value is a built-in ArrayBuffer or SharedArrayBuffer instance..
+         * @returns Returns true if the value is a built-in ArrayBuffer or SharedArrayBuffer instance.
          */
         isAnyArrayBuffer(value: Object): boolean;
         /**
@@ -1386,7 +1386,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A included in the isAnyArrayBuffer value
-         * @return Returns true if the value is an instance of one of the ArrayBuffer views, such as typed array objects or DataView. Equivalent to ArrayBuffer.isView().
+         * @returns Returns true if the value is an instance of one of the ArrayBuffer views, such as typed array objects or DataView. Equivalent to ArrayBuffer.isView().
          */
         isArrayBufferView(value: Object): boolean;
         /**
@@ -1394,7 +1394,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A arguments value
-         * @return Returns true if the value is an arguments object.
+         * @returns Returns true if the value is an arguments object.
          */
         isArgumentsObject(value: Object): boolean;
         /**
@@ -1402,7 +1402,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A arraybuffer value
-         * @return Returns true if the value is a built-in ArrayBuffer instance. This does not include SharedArrayBuffer instances. Usually, it is desirable to test for both; See isAnyArrayBuffer() for that.
+         * @returns Returns true if the value is a built-in ArrayBuffer instance. This does not include SharedArrayBuffer instances. Usually, it is desirable to test for both; See isAnyArrayBuffer() for that.
          */
         isArrayBuffer(value: Object): boolean;
         /**
@@ -1410,7 +1410,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A async function value
-         * @return Returns true if the value is an async function. This only reports back what the JavaScript engine is seeing; in particular, the return value may not match the original source code if a transpilation tool was used.
+         * @returns Returns true if the value is an async function. This only reports back what the JavaScript engine is seeing; in particular, the return value may not match the original source code if a transpilation tool was used.
          */
         isAsyncFunction(value: Object): boolean;
         /**
@@ -1418,7 +1418,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A BigInt64Array value
-         * @return Returns true if the value is a BigInt64Array instance.
+         * @returns Returns true if the value is a BigInt64Array instance.
          */
         isBigInt64Array(value: Object): boolean;
         /**
@@ -1426,7 +1426,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A BigUint64Array value
-         * @return Returns true if the value is a BigUint64Array instance.
+         * @returns Returns true if the value is a BigUint64Array instance.
          */
         isBigUint64Array(value: Object): boolean;
         /**
@@ -1434,7 +1434,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A boolean object value
-         * @return Returns true if the value is a boolean object, e.g. created by new Boolean().
+         * @returns Returns true if the value is a boolean object, e.g. created by new Boolean().
          */
         isBooleanObject(value: Object): boolean;
         /**
@@ -1442,7 +1442,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A boxed primitive object value
-         * @return Returns true if the value is any boxed primitive object, e.g. created by new Boolean(), new String() or Object(Symbol()).
+         * @returns Returns true if the value is any boxed primitive object, e.g. created by new Boolean(), new String() or Object(Symbol()).
          */
         isBoxedPrimitive(value: Object): boolean;
         /**
@@ -1450,7 +1450,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A DataView value
-         * @return Returns true if the value is a built-in DataView instance.
+         * @returns Returns true if the value is a built-in DataView instance.
          */
         isDataView(value: Object): boolean;
         /**
@@ -1458,7 +1458,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A Date value
-         * @return Returns true if the value is a built-in Date instance.
+         * @returns Returns true if the value is a built-in Date instance.
          */
         isDate(value: Object): boolean;
         /**
@@ -1466,7 +1466,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A External value
-         * @return Returns true if the value is a native External value.
+         * @returns Returns true if the value is a native External value.
          */
         isExternal(value: Object): boolean;
         /**
@@ -1474,7 +1474,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A Float32Array value
-         * @return Returns true if the value is a built-in Float32Array instance.
+         * @returns Returns true if the value is a built-in Float32Array instance.
          */
         isFloat32Array(value: Object): boolean;
         /**
@@ -1482,7 +1482,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A Float64Array value
-         * @return Returns true if the value is a built-in Float64Array instance.
+         * @returns Returns true if the value is a built-in Float64Array instance.
          */
         isFloat64Array(value: Object): boolean;
         /**
@@ -1490,7 +1490,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A generator function value
-         * @return Returns true if the value is a generator function. This only reports back what the JavaScript engine is seeing; in particular, the return value may not match the original source code if a transpilation tool was used.
+         * @returns Returns true if the value is a generator function. This only reports back what the JavaScript engine is seeing; in particular, the return value may not match the original source code if a transpilation tool was used.
          */
         isGeneratorFunction(value: Object): boolean;
         /**
@@ -1498,7 +1498,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A generator object value
-         * @return Returns true if the value is a generator object as returned from a built-in generator function. This only reports back what the JavaScript engine is seeing; in particular, the return value may not match the original source code if a transpilation tool was used.
+         * @returns Returns true if the value is a generator object as returned from a built-in generator function. This only reports back what the JavaScript engine is seeing; in particular, the return value may not match the original source code if a transpilation tool was used.
          */
         isGeneratorObject(value: Object): boolean;
         /**
@@ -1506,7 +1506,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A Int8Array value
-         * @return Returns true if the value is a built-in Int8Array instance.
+         * @returns Returns true if the value is a built-in Int8Array instance.
          */
         isInt8Array(value: Object): boolean;
         /**
@@ -1514,7 +1514,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A Int16Array value
-         * @return Returns true if the value is a built-in Int16Array instance.
+         * @returns Returns true if the value is a built-in Int16Array instance.
          */
         isInt16Array(value: Object): boolean;
         /**
@@ -1522,7 +1522,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A Int32Array value
-         * @return Returns true if the value is a built-in Int32Array instance.
+         * @returns Returns true if the value is a built-in Int32Array instance.
          */
         isInt32Array(value: Object): boolean;
         /**
@@ -1530,7 +1530,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A Map value
-         * @return Returns true if the value is a built-in Map instance.
+         * @returns Returns true if the value is a built-in Map instance.
          */
         isMap(value: Object): boolean;
         /**
@@ -1538,7 +1538,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A Map iterator value
-         * @return Returns true if the value is an iterator returned for a built-in Map instance.
+         * @returns Returns true if the value is an iterator returned for a built-in Map instance.
          */
         isMapIterator(value: Object): boolean;
         /**
@@ -1546,7 +1546,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A Module Namespace Object value
-         * @return Returns true if the value is an instance of a Module Namespace Object.
+         * @returns Returns true if the value is an instance of a Module Namespace Object.
          */
         isModuleNamespaceObject(value: Object): boolean;
         /**
@@ -1554,7 +1554,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A Error value
-         * @return Returns true if the value is an instance of a built-in Error type.
+         * @returns Returns true if the value is an instance of a built-in Error type.
          */
         isNativeError(value: Object): boolean;
         /**
@@ -1562,7 +1562,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A number object value
-         * @return Returns true if the value is a number object, e.g. created by new Number().
+         * @returns Returns true if the value is a number object, e.g. created by new Number().
          */
         isNumberObject(value: Object): boolean;
         /**
@@ -1570,7 +1570,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A Promise value
-         * @return Returns true if the value is a built-in Promise.
+         * @returns Returns true if the value is a built-in Promise.
          */
         isPromise(value: Object): boolean;
         /**
@@ -1578,7 +1578,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A Proxy value
-         * @return Returns true if the value is a Proxy instance.
+         * @returns Returns true if the value is a Proxy instance.
          */
         isProxy(value: Object): boolean;
         /**
@@ -1586,7 +1586,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A regular expression object value
-         * @return Returns true if the value is a regular expression object.
+         * @returns Returns true if the value is a regular expression object.
          */
         isRegExp(value: Object): boolean;
         /**
@@ -1594,7 +1594,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A Set instance value
-         * @return Returns true if the value is a built-in Set instance.
+         * @returns Returns true if the value is a built-in Set instance.
          */
         isSet(value: Object): boolean;
         /**
@@ -1602,7 +1602,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A Set iterator value
-         * @return Returns true if the value is an iterator returned for a built-in Set instance.
+         * @returns Returns true if the value is an iterator returned for a built-in Set instance.
          */
         isSetIterator(value: Object): boolean;
         /**
@@ -1610,7 +1610,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A SharedArrayBuffer instance value
-         * @return Returns true if the value is a built-in SharedArrayBuffer instance. This does not include ArrayBuffer instances. Usually, it is desirable to test for both; See isAnyArrayBuffer() for that.
+         * @returns Returns true if the value is a built-in SharedArrayBuffer instance. This does not include ArrayBuffer instances. Usually, it is desirable to test for both; See isAnyArrayBuffer() for that.
          */
         isSharedArrayBuffer(value: Object): boolean;
         /**
@@ -1618,7 +1618,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A String object value
-         * @return Returns true if the value is a string object, e.g. created by new String().
+         * @returns Returns true if the value is a string object, e.g. created by new String().
          */
         isStringObject(value: Object): boolean;
         /**
@@ -1626,7 +1626,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A symbol object value
-         * @return Returns true if the value is a symbol object, created by calling Object() on a Symbol primitive.
+         * @returns Returns true if the value is a symbol object, created by calling Object() on a Symbol primitive.
          */
         isSymbolObject(value: Object): boolean;
         /**
@@ -1634,7 +1634,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A TypedArray instance value
-         * @return Returns true if the value is a built-in TypedArray instance.
+         * @returns Returns true if the value is a built-in TypedArray instance.
          */
         isTypedArray(value: Object): boolean;
         /**
@@ -1642,7 +1642,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A Uint8Array value
-         * @return Returns true if the value is a built-in Uint8Array instance.
+         * @returns Returns true if the value is a built-in Uint8Array instance.
          */
         isUint8Array(value: Object): boolean;
         /**
@@ -1650,7 +1650,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A Uint8ClampedArray value
-         * @return Returns true if the value is a built-in Uint8ClampedArray instance.
+         * @returns Returns true if the value is a built-in Uint8ClampedArray instance.
          */
         isUint8ClampedArray(value: Object): boolean;
         /**
@@ -1658,7 +1658,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A Uint16Array value
-         * @return Returns true if the value is a built-in Uint16Array instance.
+         * @returns Returns true if the value is a built-in Uint16Array instance.
          */
         isUint16Array(value: Object): boolean;
         /**
@@ -1666,7 +1666,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A Uint32Array value
-         * @return Returns true if the value is a built-in Uint32Array instance.
+         * @returns Returns true if the value is a built-in Uint32Array instance.
          */
         isUint32Array(value: Object): boolean;
         /**
@@ -1674,7 +1674,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A WeakMap value
-         * @return Returns true if the value is a built-in WeakMap instance.
+         * @returns Returns true if the value is a built-in WeakMap instance.
          */
         isWeakMap(value: Object): boolean;
         /**
@@ -1682,7 +1682,7 @@ declare namespace util {
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param value A WeakSet value
-         * @return Returns true if the value is a built-in WeakSet instance.
+         * @returns Returns true if the value is a built-in WeakSet instance.
          */
         isWeakSet(value: Object): boolean;
     }
diff --git a/api/@ohos.xml.d.ts b/api/@ohos.xml.d.ts
index 49916703c67d0e1acd46ef7f612628b07df34c59..3eb9f401b1dfdc1143f61628ebf073128b0b871c 100644
--- a/api/@ohos.xml.d.ts
+++ b/api/@ohos.xml.d.ts
@@ -32,7 +32,7 @@ declare namespace xml {
         /**
          * A parameterized constructor used to create a new XmlSerializer instance.
          * As the input parameter of the constructor function, init supports three types.
-         * The input parameter is an Arrarybuff.
+         * The input parameter is an Arrarybuffer.
          * The input parameter is a DataView.
          * The input parameter is an encoding format of string type.
          * @throws {BusinessError} 401 - if the input parameters are invalid.
@@ -67,7 +67,7 @@ declare namespace xml {
         setDeclaration(): void;
 
         /**
-         * Writes a elemnet start tag with the given name.
+         * Writes a element start tag with the given name.
          * @since 8
          * @syscap SystemCapability.Utils.Lang
          * @param name Name of the element.
@@ -285,7 +285,7 @@ declare namespace xml {
          * @syscap SystemCapability.Utils.Lang
          * @param name The current tag name.
          * @param value The current tag value.
-         * @return Returns a Boolean variable for whether parse continually.
+         * @returns Returns a Boolean variable for whether parse continually.
          */
         tagValueCallbackFunction?: (name: string, value: string) => boolean;
 
@@ -295,7 +295,7 @@ declare namespace xml {
          * @syscap SystemCapability.Utils.Lang
          * @param name The current attribute name.
          * @param value The current attribute value.
-         * @return Returns a Boolean variable for whether parse continually.
+         * @returns Returns a Boolean variable for whether parse continually.
          */
         attributeValueCallbackFunction?: (name: string, value: string) => boolean;
 
@@ -305,7 +305,7 @@ declare namespace xml {
          * @syscap SystemCapability.Utils.Lang
          * @param eventType The current token eventtype.
          * @param value The current token parseinfo.
-         * @return Returns a Boolean variable for whether parse continually.
+         * @returns Returns a Boolean variable for whether parse continually.
          */
         tokenValueCallbackFunction?: (eventType: EventType, value: ParseInfo) => boolean;
     }