type CollectionPredicate = (item?: any, index?: number, collection?: any[]) => boolean;
declare function isUndefined(value: any): value is undefined;
declare function isNull(value: any): value is null;
declare function isNumber(value: any): value is number;
declare function isNumberFinite(value: any): value is number;
declare function isPositive(value: number): boolean;
declare function isInteger(value: number): boolean;
declare function isNil(value: any): value is null | undefined;
declare function isString(value: any): value is string;
declare function isObject(value: any): boolean;
declare function isArray(value: any): boolean;
declare function isFunction(value: any): boolean;
declare function toDecimal(value: number, decimal: number): number;
declare function upperFirst(value: string): string;
declare function createRound(method: string): Function;
declare function leftPad(str: string, len?: number, ch?: any): string;
declare function rightPad(str: string, len?: number, ch?: any): string;
declare function toString(value: number | string): string;
declare function pad(str: string, len?: number, ch?: any): string;
declare function flatten(input: any[], index?: number): any[];
declare function getProperty(value: {
    [key: string]: any;
}, key: string): any;
declare function sum(input: Array<number>, initial?: number): number;
declare function shuffle(input: any): any;
declare function deepIndexOf(collection: any[], value: any): number;
declare function deepEqual(a: any, b: any): boolean;
declare function isDeepObject(object: any): any;
declare function wrapDeep(object: any): DeepWrapper;
declare function unwrapDeep(object: any): any;
declare class DeepWrapper {
    data: any;
    __isDeepObject__: boolean;
    constructor(data: any);
}
declare function count(input: any): any;
declare function empty(input: any): any;
declare function every(input: any, predicate: CollectionPredicate): any;
declare function takeUntil(input: any[], predicate: CollectionPredicate): any;

export { DeepWrapper, count, createRound, deepEqual, deepIndexOf, empty, every, flatten, getProperty, isArray, isDeepObject, isFunction, isInteger, isNil, isNull, isNumber, isNumberFinite, isObject, isPositive, isString, isUndefined, leftPad, pad, rightPad, shuffle, sum, takeUntil, toDecimal, toString, unwrapDeep, upperFirst, wrapDeep };
export type { CollectionPredicate };