import { AvatarSource } from './avatar-source.enum';
/**
 * Contract of all Sources.
 * Every source must implements the fetch method
 * in order to provide the avatar source.
 */
export interface Source {
    /**
     * The avatar source type (Facebook, Twitter, etc.).
     */
    readonly sourceType: AvatarSource;
    /**
     * The avatar id in which it's source recognizes it.
     */
    sourceId: string;
    /**
     * Gets the avatar that usually is a URL, but,
     * for example it can also be a string of initials from the name.
     */
    getAvatar(size: number): string;
}