type Item = any;
export declare function isFunction(item: Item): item is (...args: any) => any;
export declare function isNumber(item: Item): item is number;
export declare function isString(item: Item): item is string;
export declare function isArray(item: Item): item is Array<any>;
export declare function isEmptyString(item: Item): item is string;
export declare const assignFunction: (item: any) => any;
export declare const assignNumber: (number: number, defaultNumber: number, listLength: number) => number;
export {};