import type { string_agent_name, string_agent_permanent_id, string_url, string_url_image } from '../../types/typeAliases';
/**
 * Generates an image for the agent to use as profile image
 *
 * @param agentId - The permanent ID of the agent
 * @returns The placeholder profile image URL for the agent
 *
 * @public exported from `@promptbook/core`
 */
export declare function generatePlaceholderAgentProfileImageUrl(agentIdOrName: string_agent_permanent_id | string_agent_name, agentsServerUrl: URL | string_url): string_url_image;
/**
 * TODO: [🤹] Figure out best placeholder image generator https://i.pravatar.cc/1000?u=568
 */