import { availableSizes } from '../../utils';
export declare const avatarBackgroundColors: {
    readonly gainsboro: "gainsboro";
    readonly pinkLace: "pink-lace";
    readonly paleLavender: "pale-lavender";
    readonly lavender: "lavender";
    readonly water: "water";
    readonly greenCyan: "green-cyan";
};
export type AvatarBackgroundColor = (typeof avatarBackgroundColors)[keyof typeof avatarBackgroundColors];
export type AvatarSize = (typeof availableSizes)[number];
/**
 * @description check if a size is valid
 * @method isSizeValid
 * @param  {string} size
 * @return {boolean}
 */
export declare const isSizeValid: (size: AvatarSize) => boolean;
/**
 * @description generates a random bg color class
 * @method generateRandomBgColor
 * @return {string}
 */
export declare const generateRandomBgColor: (username: string | undefined) => string;
/**
 * @description get initials from username
 * @method getInitials
 * @param  {string} username
 * @return {string}
 */
export declare const getInitials: (username: string | undefined) => string;