export declare class arrayInsert {
    static insertBefore: (arr: any[], beforeElement: any, elem: any) => any[];
    static insertAfter: (arr: any[], afterElement: any, elem: any) => any[];
    static insertBeforeIndex: (arr: any[], beforeIndex: number, elem: any) => any[];
    static insertAfterIndex: (arr: any[], afterIndex: number, elem: any) => any[];
}