export declare function getAvatarColors(): string[];
export declare function getColorById(id: string, avatarColors?: string[]): string;
export declare function getInitials(name: string): string;
export declare function isGravatarUrl(url: string): any;
export declare function isBlankGravatarUrl(url: string): boolean;
export declare function patchGravatarUrl(gravatarUrl: string): any;