declare const AVATAR_SIZES: readonly [80, 72, 62, 50, 40, 36, 30, 28, 24, 20, 18, 16, 12];
/**
 * Supported avatar sizes, in CSS pixels.
 */
type AvatarSize = (typeof AVATAR_SIZES)[number];
/**
 * Supported avatar clipping shapes.
 */
type AvatarShape = 'circle' | 'rounded';
/**
 * Avatar image source.
 *
 * Use a string for a single image URL, or a source map keyed by intrinsic image width. Source maps
 * are converted to native `srcSet` width descriptors.
 */
type AvatarImage = string | Record<number, string>;
type AvatarImageSource = {
    sourceSize: number;
    src: string;
};
type ImageSources = {
    src: string;
    srcSet?: string;
    sizes?: string;
    sources?: AvatarImageSource[];
};
declare const AVATAR_META_COLOR_COUNT = 20;
declare function normalizeAvatarName(name?: string): string;
declare function getInitials(name?: string): string;
declare function getSources(image: AvatarImage | undefined, size: AvatarSize): ImageSources | undefined;
declare function getAvatarImageIdentityKey(image?: AvatarImage): string;
declare function getAvailableImageSources(imageProps: ImageSources | undefined, failedSources: readonly string[]): ImageSources | undefined;
declare function getAvatarMetaColorIndex(name?: string): number;
export { AVATAR_META_COLOR_COUNT, AVATAR_SIZES, getAvailableImageSources, getAvatarImageIdentityKey, getAvatarMetaColorIndex, getInitials, getSources, normalizeAvatarName, };
export type { AvatarImage, AvatarImageSource, AvatarShape, AvatarSize, ImageSources };