export declare const isValid: (value: any) => boolean;
export declare const isArr: (value: any) => boolean;
export declare const toArr: (val: any) => any[];
export declare function isEmpty(val: any, strict?: boolean): boolean;
export declare const formatMomentValue: (value: any, format: any, placeholder?: string) => string | string[];
export declare const getFormat: (props: any) => any;