export declare const compact: (value: any[]) => any[]; export declare const isPlainObject: (value: any) => boolean; export declare const isBlank: (value: any) => boolean; export declare const isNumeric: (value: any) => boolean; export declare const isPromise: (value?: any) => boolean; export declare const toNumber: (value: any) => any; export declare const toBool: (value: any, defaultValue?: any) => any; export declare const toType: (value: any) => any; export declare function round(value: number, precision?: number): number; export declare const walk: (obj: any, fn: (obj: any) => void) => void;