export declare function format(first?: string, middle?: string, last?: string): string;
export declare function useTranslation(): import("i18next").TFunction<["translation", ...string[]], undefined>;
export declare const rgbToHex: (rgb: string) => string;
export declare const calculateBrightness: (hexColor: string) => number;
export declare const getContrastColorHelper: (color: string, isInvert?: boolean) => string;
export declare function getRandomHexColor(): string;
export declare function base64ToFileList(base64Array: string[], filenames?: string[]): FileList;
export declare const preventInputNoneBasicNumber: (event: any) => any;
export declare const preventInputNoneBasicNumberAndDot: (event: any) => any;
