// @ts-nocheck
/*
 * Copyright (c) 2021-2022 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.
 */
/**
 * @file
 * @kit ArkTS
 */
/**
 * LinkedList is implemented based on the doubly linked list. Each node of the doubly linked list has
 * references pointing to the previous element and the next element. When querying an element,
 * the system traverses the list from the beginning or end.
 *
 * @syscap SystemCapability.Utils.Lang
 * @since 8
 */
/**
 * LinkedList is implemented based on the doubly linked list. Each node of the doubly linked list has
 * references pointing to the previous element and the next element. When querying an element,
 * the system traverses the list from the beginning or end.
 *
 * @syscap SystemCapability.Utils.Lang
 * @crossplatform
 * @since 10
 */
/**
 * LinkedList is implemented based on the doubly linked list. Each node of the doubly linked list has
 * references pointing to the previous element and the next element. When querying an element,
 * the system traverses the list from the beginning or end.
 *
 * @syscap SystemCapability.Utils.Lang
 * @crossplatform
 * @atomicservice
 * @since 12
 */
declare class LinkedList<T> {
    /**
     * A constructor used to create a LinkedList object.
     *
     * @throws { BusinessError } 10200012 - The LinkedList's constructor cannot be directly invoked.
     * @syscap SystemCapability.Utils.Lang
     * @since 8
     */
    /**
     * A constructor used to create a LinkedList object.
     *
     * @throws { BusinessError } 10200012 - The LinkedList's constructor cannot be directly invoked.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @since 10
     */
    /**
     * A constructor used to create a LinkedList object.
     *
     * @throws { BusinessError } 10200012 - The LinkedList's constructor cannot be directly invoked.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @atomicservice
     * @since 12
     */
    constructor();
    /**
     * Gets the element number of the LinkedList. This is a number one higher than the highest index in the linkedlist.
     *
     * @syscap SystemCapability.Utils.Lang
     * @since 8
     */
    /**
     * Gets the element number of the LinkedList. This is a number one higher than the highest index in the linkedlist.
     *
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @since 10
     */
    /**
     * Gets the element number of the LinkedList. This is a number one higher than the highest index in the linkedlist.
     *
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @atomicservice
     * @since 12
     */
    length: number;
    /**
     * Appends the specified element to the end of this linkedlist.
     *
     * @param { T } element - element element to be appended to this linkedlist
     * @returns { boolean } the boolean type, returns true if the addition is successful, and returns false if it fails.
     * @throws { BusinessError } 10200011 - The add method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @since 8
     */
    /**
     * Appends the specified element to the end of this linkedlist.
     *
     * @param { T } element - element element to be appended to this linkedlist
     * @returns { boolean } the boolean type, returns true if the addition is successful, and returns false if it fails.
     * @throws { BusinessError } 10200011 - The add method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @since 10
     */
    /**
     * Appends the specified element to the end of this linkedlist.
     *
     * @param { T } element - element element to be appended to this linkedlist
     * @returns { boolean } the boolean type, returns true if the addition is successful, and returns false if it fails.
     * @throws { BusinessError } 10200011 - The add method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @atomicservice
     * @since 12
     */
    add(element: T): boolean;
    /**
     * Inserts the specified element at the specified position in this linkedlist.
     *
     * @param { number } index - index index index at which the specified element is to be inserted
     * @param { T } element - element element element to be inserted
     * @throws { BusinessError } 10200011 - The insert method cannot be bound.
     * @throws { BusinessError } 401 - Parameter error. Possible causes:
     * 1.Mandatory parameters are left unspecified;
     * 2.Incorrect parameter types;
     * 3.Parameter verification failed.
     * @throws { BusinessError } 10200001 - The value of index is out of range.
     * @syscap SystemCapability.Utils.Lang
     * @since 8
     */
    /**
     * Inserts the specified element at the specified position in this linkedlist.
     *
     * @param { number } index - index index index at which the specified element is to be inserted
     * @param { T } element - element element element to be inserted
     * @throws { BusinessError } 10200011 - The insert method cannot be bound.
     * @throws { BusinessError } 401 - Parameter error. Possible causes:
     * 1.Mandatory parameters are left unspecified;
     * 2.Incorrect parameter types;
     * 3.Parameter verification failed.
     * @throws { BusinessError } 10200001 - The value of index is out of range.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @since 10
     */
    /**
     * Inserts the specified element at the specified position in this linkedlist.
     *
     * @param { number } index - index index index at which the specified element is to be inserted
     * @param { T } element - element element element to be inserted
     * @throws { BusinessError } 10200011 - The insert method cannot be bound.
     * @throws { BusinessError } 401 - Parameter error. Possible causes:
     * 1.Mandatory parameters are left unspecified;
     * 2.Incorrect parameter types;
     * 3.Parameter verification failed.
     * @throws { BusinessError } 10200001 - The value of index is out of range.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @atomicservice
     * @since 12
     */
    insert(index: number, element: T): void;
    /**
     * Returns the element at the specified position in this linkedlist,
     * or returns undefined if this linkedlist is empty
     *
     * @param { number } index - index index specified position
     * @returns { T } the T type
     * @throws { BusinessError } 10200011 - The get method cannot be bound.
     * @throws { BusinessError } 401 - Parameter error. Possible causes:
     * 1.Mandatory parameters are left unspecified;
     * 2.Incorrect parameter types.
     * @syscap SystemCapability.Utils.Lang
     * @since 8
     */
    /**
     * Returns the element at the specified position in this linkedlist,
     * or returns undefined if this linkedlist is empty
     *
     * @param { number } index - index index specified position
     * @returns { T } the T type
     * @throws { BusinessError } 10200011 - The get method cannot be bound.
     * @throws { BusinessError } 401 - Parameter error. Possible causes:
     * 1.Mandatory parameters are left unspecified;
     * 2.Incorrect parameter types.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @since 10
     */
    /**
     * Returns the element at the specified position in this linkedlist,
     * or returns undefined if this linkedlist is empty
     *
     * @param { number } index - index index specified position
     * @returns { T } the T type
     * @throws { BusinessError } 10200011 - The get method cannot be bound.
     * @throws { BusinessError } 401 - Parameter error. Possible causes:
     * 1.Mandatory parameters are left unspecified;
     * 2.Incorrect parameter types.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @atomicservice
     * @since 12
     */
    get(index: number): T;
    /**
     * Inserts the specified element at the beginning of this LinkedList.
     *
     * @param { T } element - element element the element to add
     * @throws { BusinessError } 10200011 - The addFirst method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @since 8
     */
    /**
     * Inserts the specified element at the beginning of this LinkedList.
     *
     * @param { T } element - element element the element to add
     * @throws { BusinessError } 10200011 - The addFirst method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @since 10
     */
    /**
     * Inserts the specified element at the beginning of this LinkedList.
     *
     * @param { T } element - element element the element to add
     * @throws { BusinessError } 10200011 - The addFirst method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @atomicservice
     * @since 12
     */
    addFirst(element: T): void;
    /**
     * Retrieves and removes the head (first element) of this linkedlist.
     *
     * @returns { T } the head of this list
     * @throws { BusinessError } 10200011 - The removeFirst method cannot be bound.
     * @throws { BusinessError } 10200010 - Container is empty.
     * @syscap SystemCapability.Utils.Lang
     * @since 8
     */
    /**
     * Retrieves and removes the head (first element) of this linkedlist.
     *
     * @returns { T } the head of this list
     * @throws { BusinessError } 10200011 - The removeFirst method cannot be bound.
     * @throws { BusinessError } 10200010 - Container is empty.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @since 10
     */
    /**
     * Retrieves and removes the head (first element) of this linkedlist.
     *
     * @returns { T } the head of this list
     * @throws { BusinessError } 10200011 - The removeFirst method cannot be bound.
     * @throws { BusinessError } 10200010 - Container is empty.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @atomicservice
     * @since 12
     */
    removeFirst(): T;
    /**
     * Removes and returns the last element from this linkedlist.
     *
     * @returns { T } the head of this list
     * @throws { BusinessError } 10200011 - The removeLast method cannot be bound.
     * @throws { BusinessError } 10200010 - Container is empty.
     * @syscap SystemCapability.Utils.Lang
     * @since 8
     */
    /**
     * Removes and returns the last element from this linkedlist.
     *
     * @returns { T } the head of this list
     * @throws { BusinessError } 10200011 - The removeLast method cannot be bound.
     * @throws { BusinessError } 10200010 - Container is empty.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @since 10
     */
    /**
     * Removes and returns the last element from this linkedlist.
     *
     * @returns { T } the head of this list
     * @throws { BusinessError } 10200011 - The removeLast method cannot be bound.
     * @throws { BusinessError } 10200010 - Container is empty.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @atomicservice
     * @since 12
     */
    removeLast(): T;
    /**
     * Check if linkedlist contains the specified element
     *
     * @param { T } element - element element element to be contained
     * @returns { boolean } the boolean type,if linkedList contains the specified element,return true,else return false
     * @throws { BusinessError } 10200011 - The has method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @since 8
     */
    /**
     * Check if linkedlist contains the specified element
     *
     * @param { T } element - element element element to be contained
     * @returns { boolean } the boolean type,if linkedList contains the specified element,return true,else return false
     * @throws { BusinessError } 10200011 - The has method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @since 10
     */
    /**
     * Check if linkedlist contains the specified element
     *
     * @param { T } element - element element element to be contained
     * @returns { boolean } the boolean type,if linkedList contains the specified element,return true,else return false
     * @throws { BusinessError } 10200011 - The has method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @atomicservice
     * @since 12
     */
    has(element: T): boolean;
    /**
     * Returns the index of the first occurrence of the specified element
     * in this linkedlist, or -1 if this linkedlist does not contain the element.
     *
     * @param { T } element - element element element to be contained
     * @returns { number } the number type ,returns the lowest index such that or -1 if there is no such index.
     * @throws { BusinessError } 10200011 - The getIndexOf method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @since 8
     */
    /**
     * Returns the index of the first occurrence of the specified element
     * in this linkedlist, or -1 if this linkedlist does not contain the element.
     *
     * @param { T } element - element element element to be contained
     * @returns { number } the number type ,returns the lowest index such that or -1 if there is no such index.
     * @throws { BusinessError } 10200011 - The getIndexOf method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @since 10
     */
    /**
     * Returns the index of the first occurrence of the specified element
     * in this linkedlist, or -1 if this linkedlist does not contain the element.
     *
     * @param { T } element - element element element to be contained
     * @returns { number } the number type ,returns the lowest index such that or -1 if there is no such index.
     * @throws { BusinessError } 10200011 - The getIndexOf method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @atomicservice
     * @since 12
     */
    getIndexOf(element: T): number;
    /**
     * Find the corresponding element according to the index.
     *
     * @param { number } index - index index the index in the linkedlist
     * @returns { T } the T type ,returns undefined if linkedlist is empty,If the index is
     * out of bounds (greater than or equal to length or less than 0), throw an exception
     * @throws { BusinessError } 10200011 - The removeByIndex method cannot be bound.
     * @throws { BusinessError } 401 - Parameter error. Possible causes:
     * 1.Mandatory parameters are left unspecified;
     * 2.Incorrect parameter types;
     * 3.Parameter verification failed.
     * @throws { BusinessError } 10200001 - The value of index is out of range.
     * @syscap SystemCapability.Utils.Lang
     * @since 8
     */
    /**
     * Find the corresponding element according to the index.
     *
     * @param { number } index - index index the index in the linkedlist
     * @returns { T } the T type ,returns undefined if linkedlist is empty,If the index is
     * out of bounds (greater than or equal to length or less than 0), throw an exception
     * @throws { BusinessError } 10200011 - The removeByIndex method cannot be bound.
     * @throws { BusinessError } 401 - Parameter error. Possible causes:
     * 1.Mandatory parameters are left unspecified;
     * 2.Incorrect parameter types;
     * 3.Parameter verification failed.
     * @throws { BusinessError } 10200001 - The value of index is out of range.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @since 10
     */
    /**
     * Find the corresponding element according to the index.
     *
     * @param { number } index - index index the index in the linkedlist
     * @returns { T } the T type ,returns undefined if linkedlist is empty,If the index is
     * out of bounds (greater than or equal to length or less than 0), throw an exception
     * @throws { BusinessError } 10200011 - The removeByIndex method cannot be bound.
     * @throws { BusinessError } 401 - Parameter error. Possible causes:
     * 1.Mandatory parameters are left unspecified;
     * 2.Incorrect parameter types;
     * 3.Parameter verification failed.
     * @throws { BusinessError } 10200001 - The value of index is out of range.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @atomicservice
     * @since 12
     */
    removeByIndex(index: number): T;
    /**
     * Removes the first occurrence of the specified element from this linkedlist,
     * if it is present.  If the linkedlist does not contain the element, it is
     * unchanged.  More formally, removes the element with the lowest index
     *
     * @param { T } element - element element element to remove
     * @returns { boolean } the boolean type ,If there is no such element, return false
     * @throws { BusinessError } 10200011 - The remove method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @since 8
     */
    /**
     * Removes the first occurrence of the specified element from this linkedlist,
     * if it is present.  If the linkedlist does not contain the element, it is
     * unchanged.  More formally, removes the element with the lowest index
     *
     * @param { T } element - element element element to remove
     * @returns { boolean } the boolean type ,If there is no such element, return false
     * @throws { BusinessError } 10200011 - The remove method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @since 10
     */
    /**
     * Removes the first occurrence of the specified element from this linkedlist,
     * if it is present.  If the linkedlist does not contain the element, it is
     * unchanged.  More formally, removes the element with the lowest index
     *
     * @param { T } element - element element element to remove
     * @returns { boolean } the boolean type ,If there is no such element, return false
     * @throws { BusinessError } 10200011 - The remove method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @atomicservice
     * @since 12
     */
    remove(element: T): boolean;
    /**
     * Removes the first occurrence of the specified element from this linkedlist,
     * if it is present.  If the linkedlist does not contain the element, it is
     * unchanged.  More formally, removes the element with the lowest index
     *
     * @param { T } element - element element element to remove
     * @returns { boolean } the boolean type ,If there is no such element, return false
     * @throws { BusinessError } 10200011 - The removeFirstFound method cannot be bound.
     * @throws { BusinessError } 10200010 - Container is empty.
     * @throws { BusinessError } 10200017 - The element does not exist in this container.
     * @syscap SystemCapability.Utils.Lang
     * @since 8
     */
    /**
     * Removes the first occurrence of the specified element from this linkedlist,
     * if it is present.  If the linkedlist does not contain the element, it is
     * unchanged.  More formally, removes the element with the lowest index
     *
     * @param { T } element - element element element to remove
     * @returns { boolean } the boolean type ,If there is no such element, return false
     * @throws { BusinessError } 10200011 - The removeFirstFound method cannot be bound.
     * @throws { BusinessError } 10200010 - Container is empty.
     * @throws { BusinessError } 10200017 - The element does not exist in this container.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @since 10
     */
    /**
     * Removes the first occurrence of the specified element from this linkedlist,
     * if it is present.  If the linkedlist does not contain the element, it is
     * unchanged.  More formally, removes the element with the lowest index
     *
     * @param { T } element - element element element to remove
     * @returns { boolean } the boolean type ,If there is no such element, return false
     * @throws { BusinessError } 10200011 - The removeFirstFound method cannot be bound.
     * @throws { BusinessError } 10200010 - Container is empty.
     * @throws { BusinessError } 10200017 - The element does not exist in this container.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @atomicservice
     * @since 12
     */
    removeFirstFound(element: T): boolean;
    /**
     * Removes the last occurrence of the specified element from this linkedlist,
     * if it is present.  If the linkedlist does not contain the element, it is
     * unchanged.  More formally, removes the element with the lowest index
     *
     * @param { T } element - element element element to remove
     * @returns { boolean } the boolean type ,If there is no such element, return false
     * @throws { BusinessError } 10200011 - The removeLastFound method cannot be bound.
     * @throws { BusinessError } 10200010 - Container is empty.
     * @throws { BusinessError } 10200017 - The element does not exist in this container.
     * @syscap SystemCapability.Utils.Lang
     * @since 8
     */
    /**
     * Removes the last occurrence of the specified element from this linkedlist,
     * if it is present.  If the linkedlist does not contain the element, it is
     * unchanged.  More formally, removes the element with the lowest index
     *
     * @param { T } element - element element element to remove
     * @returns { boolean } the boolean type ,If there is no such element, return false
     * @throws { BusinessError } 10200011 - The removeLastFound method cannot be bound.
     * @throws { BusinessError } 10200010 - Container is empty.
     * @throws { BusinessError } 10200017 - The element does not exist in this container.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @since 10
     */
    /**
     * Removes the last occurrence of the specified element from this linkedlist,
     * if it is present.  If the linkedlist does not contain the element, it is
     * unchanged.  More formally, removes the element with the lowest index
     *
     * @param { T } element - element element element to remove
     * @returns { boolean } the boolean type ,If there is no such element, return false
     * @throws { BusinessError } 10200011 - The removeLastFound method cannot be bound.
     * @throws { BusinessError } 10200010 - Container is empty.
     * @throws { BusinessError } 10200017 - The element does not exist in this container.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @atomicservice
     * @since 12
     */
    removeLastFound(element: T): boolean;
    /**
     * Returns in the index of the last occurrence of the specified element in this linkedlist ,
     * or -1 if the linkedlist does not contain the element.
     *
     * @param { T } element - element element element to find
     * @returns { number } the number type
     * @throws { BusinessError } 10200011 - The getLastIndexOf method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @since 8
     */
    /**
     * Returns in the index of the last occurrence of the specified element in this linkedlist ,
     * or -1 if the linkedlist does not contain the element.
     *
     * @param { T } element - element element element to find
     * @returns { number } the number type
     * @throws { BusinessError } 10200011 - The getLastIndexOf method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @since 10
     */
    /**
     * Returns in the index of the last occurrence of the specified element in this linkedlist ,
     * or -1 if the linkedlist does not contain the element.
     *
     * @param { T } element - element element element to find
     * @returns { number } the number type
     * @throws { BusinessError } 10200011 - The getLastIndexOf method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @atomicservice
     * @since 12
     */
    getLastIndexOf(element: T): number;
    /**
     * Returns the first element (the item at index 0) of this linkedlist.
     * or returns undefined if linkedlist is empty
     *
     * @returns { T } the T type ,returns undefined if linkedList is empty
     * @throws { BusinessError } 10200011 - The getFirst method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @since 8
     */
    /**
     * Returns the first element (the item at index 0) of this linkedlist.
     * or returns undefined if linkedlist is empty
     *
     * @returns { T } the T type ,returns undefined if linkedList is empty
     * @throws { BusinessError } 10200011 - The getFirst method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @since 10
     */
    /**
     * Returns the first element (the item at index 0) of this linkedlist.
     * or returns undefined if linkedlist is empty
     *
     * @returns { T } the T type ,returns undefined if linkedList is empty
     * @throws { BusinessError } 10200011 - The getFirst method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @atomicservice
     * @since 12
     */
    getFirst(): T;
    /**
     * Returns the Last element (the item at index length-1) of this linkedlist.
     * or returns undefined if linkedlist is empty
     *
     * @returns { T } the T type ,returns undefined if linkedList is empty
     * @throws { BusinessError } 10200011 - The getLast method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @since 8
     */
    /**
     * Returns the Last element (the item at index length-1) of this linkedlist.
     * or returns undefined if linkedlist is empty
     *
     * @returns { T } the T type ,returns undefined if linkedList is empty
     * @throws { BusinessError } 10200011 - The getLast method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @since 10
     */
    /**
     * Returns the Last element (the item at index length-1) of this linkedlist.
     * or returns undefined if linkedlist is empty
     *
     * @returns { T } the T type ,returns undefined if linkedList is empty
     * @throws { BusinessError } 10200011 - The getLast method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @atomicservice
     * @since 12
     */
    getLast(): T;
    /**
     * Replaces the element at the specified position in this Vector with the specified element
     *
     * @param { number } index - index index index to find
     * @param { T } element - element element replaced element
     * @returns { T } the T type ,returns undefined if linkedList is empty
     * @throws { BusinessError } 10200011 - The set method cannot be bound.
     * @throws { BusinessError } 10200001 - The value of index is out of range.
     * @throws { BusinessError } 401 - Parameter error. Possible causes:
     * 1.Mandatory parameters are left unspecified;
     * 2.Incorrect parameter types;
     * 3.Parameter verification failed.
     * @syscap SystemCapability.Utils.Lang
     * @since 8
     */
    /**
     * Replaces the element at the specified position in this Vector with the specified element
     *
     * @param { number } index - index index index to find
     * @param { T } element - element element replaced element
     * @returns { T } the T type ,returns undefined if linkedList is empty
     * @throws { BusinessError } 10200011 - The set method cannot be bound.
     * @throws { BusinessError } 10200001 - The value of index is out of range.
     * @throws { BusinessError } 401 - Parameter error. Possible causes:
     * 1.Mandatory parameters are left unspecified;
     * 2.Incorrect parameter types;
     * 3.Parameter verification failed.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @since 10
     */
    /**
     * Replaces the element at the specified position in this Vector with the specified element
     *
     * @param { number } index - index index index to find
     * @param { T } element - element element replaced element
     * @returns { T } the T type ,returns undefined if linkedList is empty
     * @throws { BusinessError } 10200011 - The set method cannot be bound.
     * @throws { BusinessError } 10200001 - The value of index is out of range.
     * @throws { BusinessError } 401 - Parameter error. Possible causes:
     * 1.Mandatory parameters are left unspecified;
     * 2.Incorrect parameter types;
     * 3.Parameter verification failed.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @atomicservice
     * @since 12
     */
    set(index: number, element: T): T;
    /**
     * Replaces each element of this linkedlist with the result of applying the operator to that element.
     *
     * @param { function } callbackFn - callbackFn
     * callbackFn (required) A function that accepts up to three arguments.
     * The function to be called for each element.
     * Value (required) current element
     * Index (Optional) The index value of the current element.
     * LinkedList (Optional) The linkedlist object to which the current element belongs.
     * @param { Object } [thisArg] - thisArg
     * thisArg (Optional) The value to be used as this value for when callbackFn is called.
     * If thisArg is omitted, undefined is used as the this value.
     * @throws { BusinessError } 10200011 - The forEach method cannot be bound.
     * @throws { BusinessError } 401 - Parameter error. Possible causes:
     * 1.Mandatory parameters are left unspecified;
     * 2.Incorrect parameter types.
     * @syscap SystemCapability.Utils.Lang
     * @since 8
     */
    /**
     * Replaces each element of this linkedlist with the result of applying the operator to that element.
     *
     * @param { function } callbackFn - callbackFn
     * callbackFn (required) A function that accepts up to three arguments.
     * The function to be called for each element.
     * Value (required) current element
     * Index (Optional) The index value of the current element.
     * LinkedList (Optional) The linkedlist object to which the current element belongs.
     * @param { Object } [thisArg] - thisArg
     * thisArg (Optional) The value to be used as this value for when callbackFn is called.
     * If thisArg is omitted, undefined is used as the this value.
     * @throws { BusinessError } 10200011 - The forEach method cannot be bound.
     * @throws { BusinessError } 401 - Parameter error. Possible causes:
     * 1.Mandatory parameters are left unspecified;
     * 2.Incorrect parameter types.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @since 10
     */
    /**
     * Replaces each element of this linkedlist with the result of applying the operator to that element.
     *
     * @param { function } callbackFn - callbackFn
     * callbackFn (required) A function that accepts up to three arguments.
     * The function to be called for each element.
     * Value (required) current element
     * Index (Optional) The index value of the current element.
     * LinkedList (Optional) The linkedlist object to which the current element belongs.
     * @param { Object } [thisArg] - thisArg
     * thisArg (Optional) The value to be used as this value for when callbackFn is called.
     * If thisArg is omitted, undefined is used as the this value.
     * @throws { BusinessError } 10200011 - The forEach method cannot be bound.
     * @throws { BusinessError } 401 - Parameter error. Possible causes:
     * 1.Mandatory parameters are left unspecified;
     * 2.Incorrect parameter types.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @atomicservice
     * @since 12
     */
    forEach(callbackFn: (value: T, index?: number, LinkedList?: LinkedList<T>) => void, thisArg?: Object): void;
    /**
     * Removes all of the elements from this linkedlist.The linkedlist will
     * be empty after this call returns.length becomes 0
     *
     * @throws { BusinessError } 10200011 - The clear method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @since 8
     */
    /**
     * Removes all of the elements from this linkedlist.The linkedlist will
     * be empty after this call returns.length becomes 0
     *
     * @throws { BusinessError } 10200011 - The clear method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @since 10
     */
    /**
     * Removes all of the elements from this linkedlist.The linkedlist will
     * be empty after this call returns.length becomes 0
     *
     * @throws { BusinessError } 10200011 - The clear method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @atomicservice
     * @since 12
     */
    clear(): void;
    /**
     * Returns a shallow copy of this instance. (The elements themselves are not copied.)
     *
     * @returns { LinkedList<T> } this linkedlist instance
     * @throws { BusinessError } 10200011 - The clone method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @since 8
     */
    /**
     * Returns a shallow copy of this instance. (The elements themselves are not copied.)
     *
     * @returns { LinkedList<T> } this linkedlist instance
     * @throws { BusinessError } 10200011 - The clone method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @since 10
     */
    /**
     * Returns a shallow copy of this instance. (The elements themselves are not copied.)
     *
     * @returns { LinkedList<T> } this linkedlist instance
     * @throws { BusinessError } 10200011 - The clone method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @atomicservice
     * @since 12
     */
    clone(): LinkedList<T>;
    /**
     * convert linkedlist to array
     *
     * @returns { Array<T> } the Array type
     * @throws { BusinessError } 10200011 - The convertToArray method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @since 8
     */
    /**
     * convert linkedlist to array
     *
     * @returns { Array<T> } the Array type
     * @throws { BusinessError } 10200011 - The convertToArray method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @since 10
     */
    /**
     * convert linkedlist to array
     *
     * @returns { Array<T> } the Array type
     * @throws { BusinessError } 10200011 - The convertToArray method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @atomicservice
     * @since 12
     */
    convertToArray(): Array<T>;
    /**
     * returns an iterator.Each item of the iterator is a Javascript Object
     *
     * @returns { IterableIterator<T> }
     * @throws { BusinessError } 10200011 - The Symbol.iterator method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @since 8
     */
    /**
     * returns an iterator.Each item of the iterator is a Javascript Object
     *
     * @returns { IterableIterator<T> }
     * @throws { BusinessError } 10200011 - The Symbol.iterator method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @since 10
     */
    /**
     * returns an iterator.Each item of the iterator is a Javascript Object
     *
     * @returns { IterableIterator<T> }
     * @throws { BusinessError } 10200011 - The Symbol.iterator method cannot be bound.
     * @syscap SystemCapability.Utils.Lang
     * @crossplatform
     * @atomicservice
     * @since 12
     */
    [Symbol.iterator](): IterableIterator<T>;
}
export default LinkedList;
