export declare function SaveExpandCollapse(hierGrid: any): any[];
export declare function ApplyExpandCollapse(hierGrid: any, ecarr: any[]): any;
export declare function generateUniqueId(): string;
export declare function deepEqual(obj1: any, obj2: any): boolean;
export declare function deepCopy(input: any): any;
export declare function arraysAreEqual<T>(array1: T[], array2: T[]): boolean;