/**
 * useComments Hook
 * TASKSET 9 Phase 8: Real-time comment updates via MessageRouter
 *
 * Provides:
 * - Real-time comment creation/update/deletion
 * - Comment reactions
 * - Comment replies
 * - Thread updates
 */
export interface Comment {
    id: string;
    documentId: string;
    userId: string;
    content: string;
    position?: number;
    parentId?: string;
    resolved?: boolean;
    resolvedBy?: string;
    reactions?: Array<{
        userId: string;
        emoji: string;
    }>;
    replies?: Comment[];
    createdAt: Date;
    updatedAt: Date;
}
export interface UseCommentsOptions {
    documentId: string;
    wsUrl?: string;
    /**
     * Use shared relay connection from RelayProvider context.
     * When true, the hook will not create its own WebSocket connection
     * and will instead use the shared connection from useRelay().
     * @default false
     */
    useSharedConnection?: boolean;
    onCommentCreated?: (comment: Comment) => void;
    onCommentUpdated?: (comment: Comment) => void;
    onCommentDeleted?: (commentId: string) => void;
    onCommentResolved?: (commentId: string, resolvedBy: string) => void;
    onError?: (error: Error) => void;
}
export interface UseCommentsReturn {
    comments: Comment[];
    isConnected: boolean;
    error: Error | null;
    addComment: (comment: Omit<Comment, 'id' | 'createdAt' | 'updatedAt'>) => Promise<void>;
    updateComment: (commentId: string, content: string) => Promise<void>;
    deleteComment: (commentId: string) => Promise<void>;
    resolveComment: (commentId: string) => Promise<void>;
    addReaction: (commentId: string, emoji: string) => Promise<void>;
    removeReaction: (commentId: string, emoji: string) => Promise<void>;
}
/**
 * Real-time comment management hook
 */
export declare const useComments: (options: UseCommentsOptions) => UseCommentsReturn;
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