161847f8eSopenharmony_ci/*
261847f8eSopenharmony_ci * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
361847f8eSopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License");
461847f8eSopenharmony_ci * you may not use this file except in compliance with the License.
561847f8eSopenharmony_ci * You may obtain a copy of the License at
661847f8eSopenharmony_ci *
761847f8eSopenharmony_ci *     http://www.apache.org/licenses/LICENSE-2.0
861847f8eSopenharmony_ci *
961847f8eSopenharmony_ci * Unless required by applicable law or agreed to in writing, software
1061847f8eSopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS,
1161847f8eSopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1261847f8eSopenharmony_ci * See the License for the specific language governing permissions and
1361847f8eSopenharmony_ci * limitations under the License.
1461847f8eSopenharmony_ci */
1561847f8eSopenharmony_ci
1661847f8eSopenharmony_ci/**
1761847f8eSopenharmony_ci * @file
1861847f8eSopenharmony_ci * @kit ArkTS
1961847f8eSopenharmony_ci */
2061847f8eSopenharmony_ci
2161847f8eSopenharmony_ci/**
2261847f8eSopenharmony_ci * PlainArray stores key-value (KV) pairs. Each key must be unique, be of the number type, and have only one value.
2361847f8eSopenharmony_ci * PlainArray is based on generics and uses a lightweight structure. 
2461847f8eSopenharmony_ci *
2561847f8eSopenharmony_ci * @syscap SystemCapability.Utils.Lang
2661847f8eSopenharmony_ci * @since 8
2761847f8eSopenharmony_ci */
2861847f8eSopenharmony_ci/**
2961847f8eSopenharmony_ci * PlainArray stores key-value (KV) pairs. Each key must be unique, be of the number type, and have only one value.
3061847f8eSopenharmony_ci * PlainArray is based on generics and uses a lightweight structure. 
3161847f8eSopenharmony_ci *
3261847f8eSopenharmony_ci * @syscap SystemCapability.Utils.Lang
3361847f8eSopenharmony_ci * @crossplatform
3461847f8eSopenharmony_ci * @since 10
3561847f8eSopenharmony_ci */
3661847f8eSopenharmony_ci/**
3761847f8eSopenharmony_ci * PlainArray stores key-value (KV) pairs. Each key must be unique, be of the number type, and have only one value.
3861847f8eSopenharmony_ci * PlainArray is based on generics and uses a lightweight structure. 
3961847f8eSopenharmony_ci *
4061847f8eSopenharmony_ci * @syscap SystemCapability.Utils.Lang
4161847f8eSopenharmony_ci * @crossplatform
4261847f8eSopenharmony_ci * @atomicservice
4361847f8eSopenharmony_ci * @since 12
4461847f8eSopenharmony_ci */
4561847f8eSopenharmony_cideclare class PlainArray<T> {
4661847f8eSopenharmony_ci  /**
4761847f8eSopenharmony_ci   * A constructor used to create a PlainArray object.
4861847f8eSopenharmony_ci   *
4961847f8eSopenharmony_ci   * @throws { BusinessError } 10200012 - The PlainArray's constructor cannot be directly invoked.
5061847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
5161847f8eSopenharmony_ci   * @since 8
5261847f8eSopenharmony_ci   */
5361847f8eSopenharmony_ci  /**
5461847f8eSopenharmony_ci   * A constructor used to create a PlainArray object.
5561847f8eSopenharmony_ci   *
5661847f8eSopenharmony_ci   * @throws { BusinessError } 10200012 - The PlainArray's constructor cannot be directly invoked.
5761847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
5861847f8eSopenharmony_ci   * @crossplatform
5961847f8eSopenharmony_ci   * @since 10
6061847f8eSopenharmony_ci   */
6161847f8eSopenharmony_ci  /**
6261847f8eSopenharmony_ci   * A constructor used to create a PlainArray object.
6361847f8eSopenharmony_ci   *
6461847f8eSopenharmony_ci   * @throws { BusinessError } 10200012 - The PlainArray's constructor cannot be directly invoked.
6561847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
6661847f8eSopenharmony_ci   * @crossplatform
6761847f8eSopenharmony_ci   * @atomicservice
6861847f8eSopenharmony_ci   * @since 12
6961847f8eSopenharmony_ci   */
7061847f8eSopenharmony_ci  constructor();
7161847f8eSopenharmony_ci  /**
7261847f8eSopenharmony_ci   * Gets the element number of the PlainArray.
7361847f8eSopenharmony_ci   *
7461847f8eSopenharmony_ci   * @type { number }
7561847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
7661847f8eSopenharmony_ci   * @since 8
7761847f8eSopenharmony_ci   */
7861847f8eSopenharmony_ci  /**
7961847f8eSopenharmony_ci   * Gets the element number of the PlainArray.
8061847f8eSopenharmony_ci   *
8161847f8eSopenharmony_ci   * @type { number }
8261847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
8361847f8eSopenharmony_ci   * @crossplatform
8461847f8eSopenharmony_ci   * @since 10
8561847f8eSopenharmony_ci   */
8661847f8eSopenharmony_ci  /**
8761847f8eSopenharmony_ci   * Gets the element number of the PlainArray.
8861847f8eSopenharmony_ci   *
8961847f8eSopenharmony_ci   * @type { number }
9061847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
9161847f8eSopenharmony_ci   * @crossplatform
9261847f8eSopenharmony_ci   * @atomicservice
9361847f8eSopenharmony_ci   * @since 12
9461847f8eSopenharmony_ci   */
9561847f8eSopenharmony_ci  length: number;
9661847f8eSopenharmony_ci  /**
9761847f8eSopenharmony_ci   * Appends a key-value pair to PlainArray
9861847f8eSopenharmony_ci   *
9961847f8eSopenharmony_ci   * @param { number } key - key key Added the key of key-value
10061847f8eSopenharmony_ci   * @param { T } value - value value Added the value of key-value
10161847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The add method cannot be bound.
10261847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
10361847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
10461847f8eSopenharmony_ci   * 2.Incorrect parameter types.
10561847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
10661847f8eSopenharmony_ci   * @since 8
10761847f8eSopenharmony_ci   */
10861847f8eSopenharmony_ci  /**
10961847f8eSopenharmony_ci   * Appends a key-value pair to PlainArray
11061847f8eSopenharmony_ci   *
11161847f8eSopenharmony_ci   * @param { number } key - key key Added the key of key-value
11261847f8eSopenharmony_ci   * @param { T } value - value value Added the value of key-value
11361847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The add method cannot be bound.
11461847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
11561847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
11661847f8eSopenharmony_ci   * 2.Incorrect parameter types.
11761847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
11861847f8eSopenharmony_ci   * @crossplatform
11961847f8eSopenharmony_ci   * @since 10
12061847f8eSopenharmony_ci   */
12161847f8eSopenharmony_ci  /**
12261847f8eSopenharmony_ci   * Appends a key-value pair to PlainArray
12361847f8eSopenharmony_ci   *
12461847f8eSopenharmony_ci   * @param { number } key - key key Added the key of key-value
12561847f8eSopenharmony_ci   * @param { T } value - value value Added the value of key-value
12661847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The add method cannot be bound.
12761847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
12861847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
12961847f8eSopenharmony_ci   * 2.Incorrect parameter types.
13061847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
13161847f8eSopenharmony_ci   * @crossplatform
13261847f8eSopenharmony_ci   * @atomicservice
13361847f8eSopenharmony_ci   * @since 12
13461847f8eSopenharmony_ci   */
13561847f8eSopenharmony_ci  add(key: number, value: T): void;
13661847f8eSopenharmony_ci  /**
13761847f8eSopenharmony_ci   * Clears the current PlainArray object
13861847f8eSopenharmony_ci   *
13961847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The clear method cannot be bound.
14061847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
14161847f8eSopenharmony_ci   * @since 8
14261847f8eSopenharmony_ci   */
14361847f8eSopenharmony_ci  /**
14461847f8eSopenharmony_ci   * Clears the current PlainArray object
14561847f8eSopenharmony_ci   *
14661847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The clear method cannot be bound.
14761847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
14861847f8eSopenharmony_ci   * @crossplatform
14961847f8eSopenharmony_ci   * @since 10
15061847f8eSopenharmony_ci   */
15161847f8eSopenharmony_ci  /**
15261847f8eSopenharmony_ci   * Clears the current PlainArray object
15361847f8eSopenharmony_ci   *
15461847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The clear method cannot be bound.
15561847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
15661847f8eSopenharmony_ci   * @crossplatform
15761847f8eSopenharmony_ci   * @atomicservice
15861847f8eSopenharmony_ci   * @since 12
15961847f8eSopenharmony_ci   */
16061847f8eSopenharmony_ci  clear(): void;
16161847f8eSopenharmony_ci  /**
16261847f8eSopenharmony_ci   * Obtains a clone of the current PlainArray object
16361847f8eSopenharmony_ci   *
16461847f8eSopenharmony_ci   * @returns { PlainArray<T> }
16561847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The clone method cannot be bound.
16661847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
16761847f8eSopenharmony_ci   * @since 8
16861847f8eSopenharmony_ci   */
16961847f8eSopenharmony_ci  /**
17061847f8eSopenharmony_ci   * Obtains a clone of the current PlainArray object
17161847f8eSopenharmony_ci   *
17261847f8eSopenharmony_ci   * @returns { PlainArray<T> }
17361847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The clone method cannot be bound.
17461847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
17561847f8eSopenharmony_ci   * @crossplatform
17661847f8eSopenharmony_ci   * @since 10
17761847f8eSopenharmony_ci   */
17861847f8eSopenharmony_ci  /**
17961847f8eSopenharmony_ci   * Obtains a clone of the current PlainArray object
18061847f8eSopenharmony_ci   *
18161847f8eSopenharmony_ci   * @returns { PlainArray<T> }
18261847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The clone method cannot be bound.
18361847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
18461847f8eSopenharmony_ci   * @crossplatform
18561847f8eSopenharmony_ci   * @atomicservice
18661847f8eSopenharmony_ci   * @since 12
18761847f8eSopenharmony_ci   */
18861847f8eSopenharmony_ci  clone(): PlainArray<T>;
18961847f8eSopenharmony_ci  /**
19061847f8eSopenharmony_ci   * Checks whether the current PlainArray object contains the specified key
19161847f8eSopenharmony_ci   *
19261847f8eSopenharmony_ci   * @param { number } key - key key need to determine whether to include the key
19361847f8eSopenharmony_ci   * @returns { boolean } the boolean type
19461847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The has method cannot be bound.
19561847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
19661847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
19761847f8eSopenharmony_ci   * 2.Incorrect parameter types.
19861847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
19961847f8eSopenharmony_ci   * @since 8
20061847f8eSopenharmony_ci   */
20161847f8eSopenharmony_ci  /**
20261847f8eSopenharmony_ci   * Checks whether the current PlainArray object contains the specified key
20361847f8eSopenharmony_ci   *
20461847f8eSopenharmony_ci   * @param { number } key - key key need to determine whether to include the key
20561847f8eSopenharmony_ci   * @returns { boolean } the boolean type
20661847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The has method cannot be bound.
20761847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
20861847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
20961847f8eSopenharmony_ci   * 2.Incorrect parameter types.
21061847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
21161847f8eSopenharmony_ci   * @crossplatform
21261847f8eSopenharmony_ci   * @since 10
21361847f8eSopenharmony_ci   */
21461847f8eSopenharmony_ci  /**
21561847f8eSopenharmony_ci   * Checks whether the current PlainArray object contains the specified key
21661847f8eSopenharmony_ci   *
21761847f8eSopenharmony_ci   * @param { number } key - key key need to determine whether to include the key
21861847f8eSopenharmony_ci   * @returns { boolean } the boolean type
21961847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The has method cannot be bound.
22061847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
22161847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
22261847f8eSopenharmony_ci   * 2.Incorrect parameter types.
22361847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
22461847f8eSopenharmony_ci   * @crossplatform
22561847f8eSopenharmony_ci   * @atomicservice
22661847f8eSopenharmony_ci   * @since 12
22761847f8eSopenharmony_ci   */
22861847f8eSopenharmony_ci  has(key: number): boolean;
22961847f8eSopenharmony_ci  /**
23061847f8eSopenharmony_ci   * Queries the value associated with the specified key
23161847f8eSopenharmony_ci   *
23261847f8eSopenharmony_ci   * @param { number } key - key key Looking for goals
23361847f8eSopenharmony_ci   * @returns { T } the value of key-value pairs
23461847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The get method cannot be bound.
23561847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
23661847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
23761847f8eSopenharmony_ci   * 2.Incorrect parameter types.
23861847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
23961847f8eSopenharmony_ci   * @since 8
24061847f8eSopenharmony_ci   */
24161847f8eSopenharmony_ci  /**
24261847f8eSopenharmony_ci   * Queries the value associated with the specified key
24361847f8eSopenharmony_ci   *
24461847f8eSopenharmony_ci   * @param { number } key - key key Looking for goals
24561847f8eSopenharmony_ci   * @returns { T } the value of key-value pairs
24661847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The get method cannot be bound.
24761847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
24861847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
24961847f8eSopenharmony_ci   * 2.Incorrect parameter types.
25061847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
25161847f8eSopenharmony_ci   * @crossplatform
25261847f8eSopenharmony_ci   * @since 10
25361847f8eSopenharmony_ci   */
25461847f8eSopenharmony_ci  /**
25561847f8eSopenharmony_ci   * Queries the value associated with the specified key
25661847f8eSopenharmony_ci   *
25761847f8eSopenharmony_ci   * @param { number } key - key key Looking for goals
25861847f8eSopenharmony_ci   * @returns { T } the value of key-value pairs
25961847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The get method cannot be bound.
26061847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
26161847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
26261847f8eSopenharmony_ci   * 2.Incorrect parameter types.
26361847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
26461847f8eSopenharmony_ci   * @crossplatform
26561847f8eSopenharmony_ci   * @atomicservice
26661847f8eSopenharmony_ci   * @since 12
26761847f8eSopenharmony_ci   */
26861847f8eSopenharmony_ci  get(key: number): T;
26961847f8eSopenharmony_ci  /**
27061847f8eSopenharmony_ci   * Queries the index for a specified key
27161847f8eSopenharmony_ci   *
27261847f8eSopenharmony_ci   * @param { number } key - key key Looking for goals
27361847f8eSopenharmony_ci   * @returns { number } Subscript corresponding to target
27461847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The getIndexOfKey method cannot be bound.
27561847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
27661847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
27761847f8eSopenharmony_ci   * 2.Incorrect parameter types.
27861847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
27961847f8eSopenharmony_ci   * @since 8
28061847f8eSopenharmony_ci   */
28161847f8eSopenharmony_ci  /**
28261847f8eSopenharmony_ci   * Queries the index for a specified key
28361847f8eSopenharmony_ci   *
28461847f8eSopenharmony_ci   * @param { number } key - key key Looking for goals
28561847f8eSopenharmony_ci   * @returns { number } Subscript corresponding to target
28661847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The getIndexOfKey method cannot be bound.
28761847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
28861847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
28961847f8eSopenharmony_ci   * 2.Incorrect parameter types.
29061847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
29161847f8eSopenharmony_ci   * @crossplatform
29261847f8eSopenharmony_ci   * @since 10
29361847f8eSopenharmony_ci   */
29461847f8eSopenharmony_ci  /**
29561847f8eSopenharmony_ci   * Queries the index for a specified key
29661847f8eSopenharmony_ci   *
29761847f8eSopenharmony_ci   * @param { number } key - key key Looking for goals
29861847f8eSopenharmony_ci   * @returns { number } Subscript corresponding to target
29961847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The getIndexOfKey method cannot be bound.
30061847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
30161847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
30261847f8eSopenharmony_ci   * 2.Incorrect parameter types.
30361847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
30461847f8eSopenharmony_ci   * @crossplatform
30561847f8eSopenharmony_ci   * @atomicservice
30661847f8eSopenharmony_ci   * @since 12
30761847f8eSopenharmony_ci   */
30861847f8eSopenharmony_ci  getIndexOfKey(key: number): number;
30961847f8eSopenharmony_ci  /**
31061847f8eSopenharmony_ci   * Queries the index for a specified value
31161847f8eSopenharmony_ci   *
31261847f8eSopenharmony_ci   * @param { T } value - value value Looking for goals
31361847f8eSopenharmony_ci   * @returns { number } Subscript corresponding to target
31461847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The getIndexOfValue method cannot be bound.
31561847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
31661847f8eSopenharmony_ci   * @since 8
31761847f8eSopenharmony_ci   */
31861847f8eSopenharmony_ci  /**
31961847f8eSopenharmony_ci   * Queries the index for a specified value
32061847f8eSopenharmony_ci   *
32161847f8eSopenharmony_ci   * @param { T } value - value value Looking for goals
32261847f8eSopenharmony_ci   * @returns { number } Subscript corresponding to target
32361847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The getIndexOfValue method cannot be bound.
32461847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
32561847f8eSopenharmony_ci   * @crossplatform
32661847f8eSopenharmony_ci   * @since 10
32761847f8eSopenharmony_ci   */
32861847f8eSopenharmony_ci  /**
32961847f8eSopenharmony_ci   * Queries the index for a specified value
33061847f8eSopenharmony_ci   *
33161847f8eSopenharmony_ci   * @param { T } value - value value Looking for goals
33261847f8eSopenharmony_ci   * @returns { number } Subscript corresponding to target
33361847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The getIndexOfValue method cannot be bound.
33461847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
33561847f8eSopenharmony_ci   * @crossplatform
33661847f8eSopenharmony_ci   * @atomicservice
33761847f8eSopenharmony_ci   * @since 12
33861847f8eSopenharmony_ci   */
33961847f8eSopenharmony_ci  getIndexOfValue(value: T): number;
34061847f8eSopenharmony_ci  /**
34161847f8eSopenharmony_ci   * Checks whether the current PlainArray object is empty
34261847f8eSopenharmony_ci   *
34361847f8eSopenharmony_ci   * @returns { boolean } the boolean type
34461847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The isEmpty method cannot be bound.
34561847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
34661847f8eSopenharmony_ci   * @since 8
34761847f8eSopenharmony_ci   */
34861847f8eSopenharmony_ci  /**
34961847f8eSopenharmony_ci   * Checks whether the current PlainArray object is empty
35061847f8eSopenharmony_ci   *
35161847f8eSopenharmony_ci   * @returns { boolean } the boolean type
35261847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The isEmpty method cannot be bound.
35361847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
35461847f8eSopenharmony_ci   * @crossplatform
35561847f8eSopenharmony_ci   * @since 10
35661847f8eSopenharmony_ci   */
35761847f8eSopenharmony_ci  /**
35861847f8eSopenharmony_ci   * Checks whether the current PlainArray object is empty
35961847f8eSopenharmony_ci   *
36061847f8eSopenharmony_ci   * @returns { boolean } the boolean type
36161847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The isEmpty method cannot be bound.
36261847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
36361847f8eSopenharmony_ci   * @crossplatform
36461847f8eSopenharmony_ci   * @atomicservice
36561847f8eSopenharmony_ci   * @since 12
36661847f8eSopenharmony_ci   */
36761847f8eSopenharmony_ci  isEmpty(): boolean;
36861847f8eSopenharmony_ci  /**
36961847f8eSopenharmony_ci   * Queries the key at a specified index
37061847f8eSopenharmony_ci   *
37161847f8eSopenharmony_ci   * @param { number } index - index index Target subscript for search
37261847f8eSopenharmony_ci   * @returns { number } the key of key-value pairs
37361847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The getKeyAt method cannot be bound.
37461847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
37561847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
37661847f8eSopenharmony_ci   * 2.Incorrect parameter types.
37761847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
37861847f8eSopenharmony_ci   * @since 8
37961847f8eSopenharmony_ci   */
38061847f8eSopenharmony_ci  /**
38161847f8eSopenharmony_ci   * Queries the key at a specified index
38261847f8eSopenharmony_ci   *
38361847f8eSopenharmony_ci   * @param { number } index - index index Target subscript for search
38461847f8eSopenharmony_ci   * @returns { number } the key of key-value pairs
38561847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The getKeyAt method cannot be bound.
38661847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
38761847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
38861847f8eSopenharmony_ci   * 2.Incorrect parameter types.
38961847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
39061847f8eSopenharmony_ci   * @crossplatform
39161847f8eSopenharmony_ci   * @since 10
39261847f8eSopenharmony_ci   */
39361847f8eSopenharmony_ci  /**
39461847f8eSopenharmony_ci   * Queries the key at a specified index
39561847f8eSopenharmony_ci   *
39661847f8eSopenharmony_ci   * @param { number } index - index index Target subscript for search
39761847f8eSopenharmony_ci   * @returns { number } the key of key-value pairs
39861847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The getKeyAt method cannot be bound.
39961847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
40061847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
40161847f8eSopenharmony_ci   * 2.Incorrect parameter types.
40261847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
40361847f8eSopenharmony_ci   * @crossplatform
40461847f8eSopenharmony_ci   * @atomicservice
40561847f8eSopenharmony_ci   * @since 12
40661847f8eSopenharmony_ci   */
40761847f8eSopenharmony_ci  getKeyAt(index: number): number;
40861847f8eSopenharmony_ci  /**
40961847f8eSopenharmony_ci   * Remove the key-value pair based on a specified key if it exists and return the value
41061847f8eSopenharmony_ci   *
41161847f8eSopenharmony_ci   * @param { number } key - key key Target to be deleted
41261847f8eSopenharmony_ci   * @returns { T } Target mapped value
41361847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The remove method cannot be bound.
41461847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
41561847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
41661847f8eSopenharmony_ci   * 2.Incorrect parameter types.
41761847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
41861847f8eSopenharmony_ci   * @since 8
41961847f8eSopenharmony_ci   */
42061847f8eSopenharmony_ci  /**
42161847f8eSopenharmony_ci   * Remove the key-value pair based on a specified key if it exists and return the value
42261847f8eSopenharmony_ci   *
42361847f8eSopenharmony_ci   * @param { number } key - key key Target to be deleted
42461847f8eSopenharmony_ci   * @returns { T } Target mapped value
42561847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The remove method cannot be bound.
42661847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
42761847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
42861847f8eSopenharmony_ci   * 2.Incorrect parameter types.
42961847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
43061847f8eSopenharmony_ci   * @crossplatform
43161847f8eSopenharmony_ci   * @since 10
43261847f8eSopenharmony_ci   */
43361847f8eSopenharmony_ci  /**
43461847f8eSopenharmony_ci   * Remove the key-value pair based on a specified key if it exists and return the value
43561847f8eSopenharmony_ci   *
43661847f8eSopenharmony_ci   * @param { number } key - key key Target to be deleted
43761847f8eSopenharmony_ci   * @returns { T } Target mapped value
43861847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The remove method cannot be bound.
43961847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
44061847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
44161847f8eSopenharmony_ci   * 2.Incorrect parameter types.
44261847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
44361847f8eSopenharmony_ci   * @crossplatform
44461847f8eSopenharmony_ci   * @atomicservice
44561847f8eSopenharmony_ci   * @since 12
44661847f8eSopenharmony_ci   */
44761847f8eSopenharmony_ci  remove(key: number): T;
44861847f8eSopenharmony_ci  /**
44961847f8eSopenharmony_ci   * Remove the key-value pair at a specified index if it exists and return the value
45061847f8eSopenharmony_ci   *
45161847f8eSopenharmony_ci   * @param { number } index - index index Target subscript for search
45261847f8eSopenharmony_ci   * @returns { T } the T type
45361847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The removeAt method cannot be bound.
45461847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
45561847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
45661847f8eSopenharmony_ci   * 2.Incorrect parameter types.
45761847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
45861847f8eSopenharmony_ci   * @since 8
45961847f8eSopenharmony_ci   */
46061847f8eSopenharmony_ci  /**
46161847f8eSopenharmony_ci   * Remove the key-value pair at a specified index if it exists and return the value
46261847f8eSopenharmony_ci   *
46361847f8eSopenharmony_ci   * @param { number } index - index index Target subscript for search
46461847f8eSopenharmony_ci   * @returns { T } the T type
46561847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The removeAt method cannot be bound.
46661847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
46761847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
46861847f8eSopenharmony_ci   * 2.Incorrect parameter types.
46961847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
47061847f8eSopenharmony_ci   * @crossplatform
47161847f8eSopenharmony_ci   * @since 10
47261847f8eSopenharmony_ci   */
47361847f8eSopenharmony_ci  /**
47461847f8eSopenharmony_ci   * Remove the key-value pair at a specified index if it exists and return the value
47561847f8eSopenharmony_ci   *
47661847f8eSopenharmony_ci   * @param { number } index - index index Target subscript for search
47761847f8eSopenharmony_ci   * @returns { T } the T type
47861847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The removeAt method cannot be bound.
47961847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
48061847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
48161847f8eSopenharmony_ci   * 2.Incorrect parameter types.
48261847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
48361847f8eSopenharmony_ci   * @crossplatform
48461847f8eSopenharmony_ci   * @atomicservice
48561847f8eSopenharmony_ci   * @since 12
48661847f8eSopenharmony_ci   */
48761847f8eSopenharmony_ci  removeAt(index: number): T;
48861847f8eSopenharmony_ci  /**
48961847f8eSopenharmony_ci   * Remove a group of key-value pairs from a specified index
49061847f8eSopenharmony_ci   *
49161847f8eSopenharmony_ci   * @param { number } index - index index remove start index
49261847f8eSopenharmony_ci   * @param { number } size - size size Expected deletion quantity
49361847f8eSopenharmony_ci   * @returns { number } Actual deleted quantity
49461847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The removeRangeFrom method cannot be bound.
49561847f8eSopenharmony_ci   * @throws { BusinessError } 10200001 - The value of index is out of range.
49661847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
49761847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
49861847f8eSopenharmony_ci   * 2.Incorrect parameter types.
49961847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
50061847f8eSopenharmony_ci   * @since 8
50161847f8eSopenharmony_ci   */
50261847f8eSopenharmony_ci  /**
50361847f8eSopenharmony_ci   * Remove a group of key-value pairs from a specified index
50461847f8eSopenharmony_ci   *
50561847f8eSopenharmony_ci   * @param { number } index - index index remove start index
50661847f8eSopenharmony_ci   * @param { number } size - size size Expected deletion quantity
50761847f8eSopenharmony_ci   * @returns { number } Actual deleted quantity
50861847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The removeRangeFrom method cannot be bound.
50961847f8eSopenharmony_ci   * @throws { BusinessError } 10200001 - The value of index is out of range.
51061847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
51161847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
51261847f8eSopenharmony_ci   * 2.Incorrect parameter types.
51361847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
51461847f8eSopenharmony_ci   * @crossplatform
51561847f8eSopenharmony_ci   * @since 10
51661847f8eSopenharmony_ci   */
51761847f8eSopenharmony_ci  /**
51861847f8eSopenharmony_ci   * Remove a group of key-value pairs from a specified index
51961847f8eSopenharmony_ci   *
52061847f8eSopenharmony_ci   * @param { number } index - index index remove start index
52161847f8eSopenharmony_ci   * @param { number } size - size size Expected deletion quantity
52261847f8eSopenharmony_ci   * @returns { number } Actual deleted quantity
52361847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The removeRangeFrom method cannot be bound.
52461847f8eSopenharmony_ci   * @throws { BusinessError } 10200001 - The value of index is out of range.
52561847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
52661847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
52761847f8eSopenharmony_ci   * 2.Incorrect parameter types.
52861847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
52961847f8eSopenharmony_ci   * @crossplatform
53061847f8eSopenharmony_ci   * @atomicservice
53161847f8eSopenharmony_ci   * @since 12
53261847f8eSopenharmony_ci   */
53361847f8eSopenharmony_ci  removeRangeFrom(index: number, size: number): number;
53461847f8eSopenharmony_ci  /**
53561847f8eSopenharmony_ci   * Update value on specified index
53661847f8eSopenharmony_ci   *
53761847f8eSopenharmony_ci   * @param { number } index - index index Target subscript for search
53861847f8eSopenharmony_ci   * @param { T } value - value value Updated the target mapped value
53961847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The setValueAt method cannot be bound.
54061847f8eSopenharmony_ci   * @throws { BusinessError } 10200001 - The value of index is out of range.
54161847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
54261847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
54361847f8eSopenharmony_ci   * 2.Incorrect parameter types.
54461847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
54561847f8eSopenharmony_ci   * @since 8
54661847f8eSopenharmony_ci   */
54761847f8eSopenharmony_ci  /**
54861847f8eSopenharmony_ci   * Update value on specified index
54961847f8eSopenharmony_ci   *
55061847f8eSopenharmony_ci   * @param { number } index - index index Target subscript for search
55161847f8eSopenharmony_ci   * @param { T } value - value value Updated the target mapped value
55261847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The setValueAt method cannot be bound.
55361847f8eSopenharmony_ci   * @throws { BusinessError } 10200001 - The value of index is out of range.
55461847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
55561847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
55661847f8eSopenharmony_ci   * 2.Incorrect parameter types.
55761847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
55861847f8eSopenharmony_ci   * @crossplatform
55961847f8eSopenharmony_ci   * @since 10
56061847f8eSopenharmony_ci   */
56161847f8eSopenharmony_ci  /**
56261847f8eSopenharmony_ci   * Update value on specified index
56361847f8eSopenharmony_ci   *
56461847f8eSopenharmony_ci   * @param { number } index - index index Target subscript for search
56561847f8eSopenharmony_ci   * @param { T } value - value value Updated the target mapped value
56661847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The setValueAt method cannot be bound.
56761847f8eSopenharmony_ci   * @throws { BusinessError } 10200001 - The value of index is out of range.
56861847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
56961847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
57061847f8eSopenharmony_ci   * 2.Incorrect parameter types.
57161847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
57261847f8eSopenharmony_ci   * @crossplatform
57361847f8eSopenharmony_ci   * @atomicservice
57461847f8eSopenharmony_ci   * @since 12
57561847f8eSopenharmony_ci   */
57661847f8eSopenharmony_ci  setValueAt(index: number, value: T): void;
57761847f8eSopenharmony_ci  /**
57861847f8eSopenharmony_ci   * Obtains the string representation of the PlainArray object
57961847f8eSopenharmony_ci   *
58061847f8eSopenharmony_ci   * @returns { String }
58161847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The toString method cannot be bound.
58261847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
58361847f8eSopenharmony_ci   * @since 8
58461847f8eSopenharmony_ci   */
58561847f8eSopenharmony_ci  /**
58661847f8eSopenharmony_ci   * Obtains the string representation of the PlainArray object
58761847f8eSopenharmony_ci   *
58861847f8eSopenharmony_ci   * @returns { String }
58961847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The toString method cannot be bound.
59061847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
59161847f8eSopenharmony_ci   * @crossplatform
59261847f8eSopenharmony_ci   * @since 10
59361847f8eSopenharmony_ci   */
59461847f8eSopenharmony_ci  /**
59561847f8eSopenharmony_ci   * Obtains the string representation of the PlainArray object
59661847f8eSopenharmony_ci   *
59761847f8eSopenharmony_ci   * @returns { String }
59861847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The toString method cannot be bound.
59961847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
60061847f8eSopenharmony_ci   * @crossplatform
60161847f8eSopenharmony_ci   * @atomicservice
60261847f8eSopenharmony_ci   * @since 12
60361847f8eSopenharmony_ci   */
60461847f8eSopenharmony_ci  toString(): String;
60561847f8eSopenharmony_ci  /**
60661847f8eSopenharmony_ci   * Queries the value at a specified index
60761847f8eSopenharmony_ci   *
60861847f8eSopenharmony_ci   * @param { number } index - index index Target subscript for search
60961847f8eSopenharmony_ci   * @returns { T } the value of key-value pairs
61061847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The getValueAt method cannot be bound.
61161847f8eSopenharmony_ci   * @throws { BusinessError } 10200001 - The value of index is out of range.
61261847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
61361847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
61461847f8eSopenharmony_ci   * 2.Incorrect parameter types.
61561847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
61661847f8eSopenharmony_ci   * @since 8
61761847f8eSopenharmony_ci   */
61861847f8eSopenharmony_ci  /**
61961847f8eSopenharmony_ci   * Queries the value at a specified index
62061847f8eSopenharmony_ci   *
62161847f8eSopenharmony_ci   * @param { number } index - index index Target subscript for search
62261847f8eSopenharmony_ci   * @returns { T } the value of key-value pairs
62361847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The getValueAt method cannot be bound.
62461847f8eSopenharmony_ci   * @throws { BusinessError } 10200001 - The value of index is out of range.
62561847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
62661847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
62761847f8eSopenharmony_ci   * 2.Incorrect parameter types.
62861847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
62961847f8eSopenharmony_ci   * @crossplatform
63061847f8eSopenharmony_ci   * @since 10
63161847f8eSopenharmony_ci   */
63261847f8eSopenharmony_ci  /**
63361847f8eSopenharmony_ci   * Queries the value at a specified index
63461847f8eSopenharmony_ci   *
63561847f8eSopenharmony_ci   * @param { number } index - index index Target subscript for search
63661847f8eSopenharmony_ci   * @returns { T } the value of key-value pairs
63761847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The getValueAt method cannot be bound.
63861847f8eSopenharmony_ci   * @throws { BusinessError } 10200001 - The value of index is out of range.
63961847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
64061847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
64161847f8eSopenharmony_ci   * 2.Incorrect parameter types.
64261847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
64361847f8eSopenharmony_ci   * @crossplatform
64461847f8eSopenharmony_ci   * @atomicservice
64561847f8eSopenharmony_ci   * @since 12
64661847f8eSopenharmony_ci   */
64761847f8eSopenharmony_ci  getValueAt(index: number): T;
64861847f8eSopenharmony_ci  /**
64961847f8eSopenharmony_ci   * Executes a provided function once for each value in the PlainArray object.
65061847f8eSopenharmony_ci   *
65161847f8eSopenharmony_ci   * @param { function } callbackFn - callbackFn
65261847f8eSopenharmony_ci   * callbackFn (required) A function that accepts up to three arguments.
65361847f8eSopenharmony_ci   * The function to be called for each element.
65461847f8eSopenharmony_ci   * @param { Object } [thisArg] - thisArg
65561847f8eSopenharmony_ci   * thisArg (Optional) The value to be used as this value for when callbackFn is called.
65661847f8eSopenharmony_ci   * If thisArg is omitted, undefined is used as the this value.
65761847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The forEach method cannot be bound.
65861847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
65961847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
66061847f8eSopenharmony_ci   * 2.Incorrect parameter types.
66161847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
66261847f8eSopenharmony_ci   * @since 8
66361847f8eSopenharmony_ci   */
66461847f8eSopenharmony_ci  /**
66561847f8eSopenharmony_ci   * Executes a provided function once for each value in the PlainArray object.
66661847f8eSopenharmony_ci   *
66761847f8eSopenharmony_ci   * @param { function } callbackFn - callbackFn
66861847f8eSopenharmony_ci   * callbackFn (required) A function that accepts up to three arguments.
66961847f8eSopenharmony_ci   * The function to be called for each element.
67061847f8eSopenharmony_ci   * @param { Object } [thisArg] - thisArg
67161847f8eSopenharmony_ci   * thisArg (Optional) The value to be used as this value for when callbackFn is called.
67261847f8eSopenharmony_ci   * If thisArg is omitted, undefined is used as the this value.
67361847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The forEach method cannot be bound.
67461847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
67561847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
67661847f8eSopenharmony_ci   * 2.Incorrect parameter types.
67761847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
67861847f8eSopenharmony_ci   * @crossplatform
67961847f8eSopenharmony_ci   * @since 10
68061847f8eSopenharmony_ci   */
68161847f8eSopenharmony_ci  /**
68261847f8eSopenharmony_ci   * Executes a provided function once for each value in the PlainArray object.
68361847f8eSopenharmony_ci   *
68461847f8eSopenharmony_ci   * @param { function } callbackFn - callbackFn
68561847f8eSopenharmony_ci   * callbackFn (required) A function that accepts up to three arguments.
68661847f8eSopenharmony_ci   * The function to be called for each element.
68761847f8eSopenharmony_ci   * @param { Object } [thisArg] - thisArg
68861847f8eSopenharmony_ci   * thisArg (Optional) The value to be used as this value for when callbackFn is called.
68961847f8eSopenharmony_ci   * If thisArg is omitted, undefined is used as the this value.
69061847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The forEach method cannot be bound.
69161847f8eSopenharmony_ci   * @throws { BusinessError } 401 - Parameter error. Possible causes:
69261847f8eSopenharmony_ci   * 1.Mandatory parameters are left unspecified;
69361847f8eSopenharmony_ci   * 2.Incorrect parameter types.
69461847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
69561847f8eSopenharmony_ci   * @crossplatform
69661847f8eSopenharmony_ci   * @atomicservice
69761847f8eSopenharmony_ci   * @since 12
69861847f8eSopenharmony_ci   */
69961847f8eSopenharmony_ci  forEach(callbackFn: (value: T, index?: number, PlainArray?: PlainArray<T>) => void, thisArg?: Object): void;
70061847f8eSopenharmony_ci  /**
70161847f8eSopenharmony_ci   * returns an iterator.Each item of the iterator is a Javascript Object
70261847f8eSopenharmony_ci   *
70361847f8eSopenharmony_ci   * @returns { IterableIterator<[number, T]> }
70461847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The Symbol.iterator method cannot be bound.
70561847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
70661847f8eSopenharmony_ci   * @since 8
70761847f8eSopenharmony_ci   */
70861847f8eSopenharmony_ci  /**
70961847f8eSopenharmony_ci   * returns an iterator.Each item of the iterator is a Javascript Object
71061847f8eSopenharmony_ci   *
71161847f8eSopenharmony_ci   * @returns { IterableIterator<[number, T]> }
71261847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The Symbol.iterator method cannot be bound.
71361847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
71461847f8eSopenharmony_ci   * @crossplatform
71561847f8eSopenharmony_ci   * @since 10
71661847f8eSopenharmony_ci   */
71761847f8eSopenharmony_ci  /**
71861847f8eSopenharmony_ci   * returns an iterator.Each item of the iterator is a Javascript Object
71961847f8eSopenharmony_ci   *
72061847f8eSopenharmony_ci   * @returns { IterableIterator<[number, T]> }
72161847f8eSopenharmony_ci   * @throws { BusinessError } 10200011 - The Symbol.iterator method cannot be bound.
72261847f8eSopenharmony_ci   * @syscap SystemCapability.Utils.Lang
72361847f8eSopenharmony_ci   * @crossplatform
72461847f8eSopenharmony_ci   * @atomicservice
72561847f8eSopenharmony_ci   * @since 12
72661847f8eSopenharmony_ci   */
72761847f8eSopenharmony_ci  [Symbol.iterator](): IterableIterator<[number, T]>;
72861847f8eSopenharmony_ci}
72961847f8eSopenharmony_ci
73061847f8eSopenharmony_ciexport default PlainArray;
731