import { CkTreeNode } from "../tree/tree-node";
export declare class Utils {
    static generateRandomIndex(): string;
    static newId(profix?: string): string;
    static isPresent(obj: any): boolean;
    static toBoolean(value: any): boolean;
    static isDate(value: any): boolean;
    static isObject(value: any): boolean;
    static isArray(value: any): boolean;
    static isEmpty(value: any, allowEmptyString?: boolean): boolean;
    static escapeRegexp(queryToEscape: string): string;
    static clone(obj: any): any;
    static copy(target: any, obj: any, defaults?: any): any;
    static apply(target: any, obj: any): any;
    static arrayRemove(array: any[], removeEl: any): void;
    static arrayInsert(array: any[], index: number, item: any): void;
    static forEach(array: any, fn: (row: any, index: number) => void): void;
    static createTreeNode(config: {
        data: any;
        idField?: string;
        pidField?: string;
        expanded?: boolean;
    }): CkTreeNode;
    static listToTreeData(config: {
        data: any[];
        idField?: string;
        pidField?: string;
        expanded?: boolean;
        firstExpanded?: boolean;
    }): CkTreeNode[];
    static copyTreeData(config: {
        data: CkTreeNode[];
        expanded?: boolean;
        firstExpanded?: boolean;
        parentNode?: CkTreeNode;
    }): CkTreeNode[];
    static findTreeNode(config: {
        data: CkTreeNode[];
        field: string;
        value: any;
    }): any;
    static findAllTreeNode(config: {
        data: CkTreeNode[];
        field: string;
        value: any;
    }): CkTreeNode[];
    static getAllTreeNode(data: CkTreeNode[]): CkTreeNode[];
    static expandAll(data: CkTreeNode[]): void;
    static collapseAll(data: CkTreeNode[]): void;
    static summaryData(data: any[], fields: string[], group?: string[]): {};
    static numberAdd(number1: number, number2: number): number;
    static numberSub(number1: number, number2: number): number;
    static numberMul(number1: number, number2: number): number;
    static numberDiv(number1: number, number2: number): number;
    static getIds(data: any): any[];
    static updateData(data: any, fn: Function): void;
    static findIndex(array: any, target: any, idField: string): number;
    static yearData(): number[];
    static toQueryObjects(name: any, value: any, recursive?: boolean): any;
    static toQueryString(object: any, recursive?: boolean): string;
    static toMap(array: any[], field: string): {};
    static getDepartmentParentName(fullName: string, name: string): string;
    static numberToMillisecond(data: any[], type: "days" | "hour" | "minute" | "second", key: string, field?: string, empty?: boolean): any[];
    static extractTimeStamp(millisecond: number, type: "year" | "month" | "days" | "hour" | "minute" | "second"): number;
    static findValueMin(data: any[], field: string, filterKey?: any, filterValue?: any): number;
    static findValueMax(data: any[], field: string, filterKey?: any, filterValue?: any): number;
    static formNowToNewDate(step: number, type: "days" | "hour" | "minute" | "second", date?: number): number;
}