import { ReactNode } from 'react';
export interface ChatMentionParticipant {
    id?: string;
    image?: string | null;
    name: string;
    username?: string | null;
}
export interface ParseMentionsOptions {
    knownParticipants?: readonly ChatMentionParticipant[];
    onMentionClick?: (mention: string, participant?: ChatMentionParticipant) => void;
}
/**
 * Renders plain text with `@mention` tokens emphasized without HTML injection.
 *
 * Fully supported for plain `@handle` text with no Athena involvement. Note it
 * re-parses handles out of display text, so a renamed or ambiguous handle
 * changes what renders. For Athena-backed messages use
 * {@link segmentMentionText}, which reads the structural
 * `{ offset, length, user_id }` spans resolved once at send time and stays
 * correct regardless of later handle changes.
 */
export declare function renderMessageWithMentions(text: string, options?: ParseMentionsOptions): ReactNode[];
/**
 * Extracts unique `@mention` handles from text.
 *
 * Fully supported for plain `@handle` text with no Athena involvement. Returns
 * bare handle strings, which cannot be turned back into user ids unambiguously.
 * For Athena-backed sends use {@link resolveMentionsFromText}, which resolves
 * handles against a participant list and returns structural
 * `{ offset, length, user_id }` spans.
 */
export declare function extractMentions(text: string): string[];