diff --git a/api/@ohos.hidebug.d.ts b/api/@ohos.hidebug.d.ts
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+/*
+* Copyright (C) 2022 Huawei Device Co., Ltd.
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+/**
+ * Provide interfaces related to debugger access and obtaining CPU, 
+ * memory and other virtual machine information during runtime for JS programs
+ *
+ * @syscap SystemCapability.HiviewDFX.HiProfiler.HiDebug
+ * @import import hidebug from '@ohos.hidebug'
+ * @since 8
+ */
+declare namespace hidebug {
+    /**
+     * Get total native heap memory size
+     * @param -
+     * @return Returns total native heap memory size.
+     * @since 8
+     */
+    function getNativeHeapSize() : bigint;
+
+    /**
+     * Get Native heap memory allocation size.
+     * @param -
+     * @return Returns native heap memory allocation size.
+     * @since 8
+     */
+    function getNativeHeapAllocatedSize() : bigint;
+
+    /**
+     * Get Native heap memory free size
+     * @param -
+     * @return Returns native heap memory free size.
+     * @since 8
+     */
+    function getNativeHeapFreeSize() : bigint;
+
+    /**
+     * Get application process proportional set size memory information
+     * @param -
+     * @return Returns application process proportional set size memory information.
+     * @since 8
+     */
+    function getPss() : bigint;
+
+    /**
+     * Obtains the size of the shared dirty memory of a process.
+     * @param -
+     * @return Returns the size of the shared dirty memory.
+     * @since 8
+     */
+    function getSharedDirty() : bigint;
+
+    /**
+     * Start CPU Profiling.
+     * The input parameter is a user-defined file name, excluding the file suffix.
+     * The generated file is in the files folder under the application directory.
+     * such as "/data/accounts/account_0/appdata/[package name]/files/cpuprofiler-xxx.json"
+     * 
+     * @param filename Indicates the user-defined file name,  excluding the file suffix.
+     * @return -
+     * @since 8
+     */
+    function startProfiling(filename : string) : void;
+
+    /**
+     * Stop CPU Profiling.
+     * It takes effect only when the CPU profiler is turned on
+     * 
+     * @param -
+     * @return -
+     * @since 8
+     */
+    function stopProfiling() : void;
+
+    /**
+     * Dump JS Virtual Machine Heap Snapshot.
+     * The input parameter is a user-defined file name, excluding the file suffix.
+     * The generated file is in the files folder under the application directory.
+     * such as "/data/accounts/account_0/appdata/[package name]/files/xxx.heapsnapshot"
+     * 
+     * @param filename Indicates the user-defined file name, excluding the file suffix.
+     * @return -
+     * @since 8
+     */
+    function dumpHeapData(filename : string) : void;
+}
+export default hidebug;
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