import type { ChatParticipant } from '../types/ChatParticipant';
/**
 * Resolves the URL for a citation source by looking up KNOWLEDGE commitments in the agent's source code.
 *
 * @param source - The source filename (e.g. "document.pdf")
 * @param participants - List of chat participants to search in
 * @returns The resolved URL if found, or null
 *
 * @private utility of <Chat/> component
 */
export declare function resolveCitationUrl(source: string, participants: ReadonlyArray<ChatParticipant>): string | null;