/**
 * 数组相关工具
 */
export default class XArray {
    static isArray(param: any): boolean;
    static diff(arr1: string[], arr2: Iterable<string>): string[];
    static merge(arr1: string[], arr2: string[]): string[];
    static insert(arr1: object[], obj: object, index: number): object[];
    static join(array: any, c?: string): any;
    static isEqual(a1: any, a2: any): boolean;
    static isEmpty(a: any): boolean;
    static arrayAddKey(a: any, item: any): void;
    static arrayDeleteKey(a: any, item: any): void;
    static deleteKey(a: any, item: any): void;
    static Contains(a: any, item: any): boolean;
    static arrayGetKey(arr: any, item: any): any;
    static arrayDelete(arr: any, item: any): void;
}
export declare function isArray(param: any): boolean;
export declare const XArrayUtil: {
    readonly diff: (arr1: string[], arr2: Iterable<string>) => string[];
    readonly merge: (arr1: string[], arr2: string[]) => string[];
    readonly insert: (arr1: object[], obj: object, index: number) => object[];
};
export declare function isArrayEqual(a1: any, a2: any): boolean;
export declare const arrayGetKeyItem: (arr: any, field: any, value: any) => any;
export declare const arrayAddKey: (a: any, item: any) => void;
export declare const arrayDeleteKey: (a: any, item: any) => void;