diff --git a/api/@ohos.configPolicy.d.ts b/api/@ohos.configPolicy.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.
+*/
+
+import {AsyncCallback} from "./basic";
+
+/**
+ * Provides file path related APIS.
+ *
+ * @since 8
+ * @sysCap SystemCapability.Customization.ConfigPolicy
+ */
+declare namespace configPolicy {
+  /**
+   * Get file from the highest priority config path which contains the given file name.
+   *
+   * @devices phone, tablet, tv, wearable, car
+   * @since 8
+   * @systemapi Hide this for inner system use.
+   * @sysCap SystemCapability.Customization.ConfigPolicy
+   * @param relPath the relative path of the config file.
+   * @return Returns the path of the highest priority config file.
+   */
+  function getOneCfgFile(relPath: string, callback: AsyncCallback<string>);
+  function getOneCfgFile(relPath: string): Promise<string>;
+
+  /**
+   * Get config files in device architecture, ordered by priority from low to high.
+   *
+   * @devices phone, tablet, tv, wearable, car
+   * @since 8
+   * @systemapi Hide this for inner system use.
+   * @sysCap SystemCapability.Customization.ConfigPolicy
+   * @param relPath the relative path of the config file.
+   * @return Returns paths of config files.
+   */
+  function getCfgFiles(relPath: string, callback: AsyncCallback<Array<string>>);
+  function getCfgFiles(relPath: string): Promise<Array<string>>;
+
+  /**
+   * Get config directories in device architecture, ordered by priority from low to high.
+   *
+   * @devices phone, tablet, tv, wearable, car
+   * @since 8
+   * @systemapi Hide this for inner system use.
+   * @sysCap SystemCapability.Customization.ConfigPolicy
+   * @return Returns paths of config directories.
+   */
+  function getCfgDirList(callback: AsyncCallback<Array<string>>);
+  function getCfgDirList(): Promise<Array<string>>;
+}
+
+export default configPolicy;