/**
 * @license
 * Copyright 2024 Nuraly, Laabidi Aymen
 * SPDX-License-Identifier: MIT
 */
/**
 * Collaboration interfaces for real-time whiteboard collaboration.
 * Mirrors backend types from presence/interfaces/canvas.interface.ts
 */
export type CanvasOperationType = 'ADD' | 'UPDATE' | 'DELETE' | 'MOVE' | 'RESIZE' | 'UPDATE_TEXT' | 'ADD_CONNECTOR' | 'DELETE_CONNECTOR';
export interface CanvasOperation {
    id: string;
    type: CanvasOperationType;
    elementId?: string;
    data: Record<string, unknown>;
    userId: string;
    timestamp: number;
    version: number;
}
export interface RemoteCursor {
    userId: string;
    username: string;
    color: string;
    x: number;
    y: number;
    lastUpdate: number;
}
export interface CollaborationUser {
    userId: string;
    username: string;
    color: string;
    cursor?: {
        x: number;
        y: number;
    };
    selectedElementIds?: string[];
    isTyping?: boolean;
    typingElementId?: string;
}
export interface NodeLock {
    userId: string;
    displayName: string;
    color: string;
    acquiredAt: number;
    expiresAt: number;
}
export interface CollaborationState {
    connected: boolean;
    canvasId: string | null;
    users: Map<string, CollaborationUser>;
    cursors: Map<string, RemoteCursor>;
    selections: Map<string, {
        userId: string;
        elementIds: string[];
    }>;
    typingIndicators: Map<string, {
        userId: string;
        elementId: string;
        isTyping: boolean;
    }>;
    lockedNodes: Map<string, NodeLock>;
    serverVersion: number;
    pendingOps: Map<string, CanvasOperation>;
}
export declare const USER_COLORS: string[];
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