import { AgoraWidgetController } from 'agora-edu-core';
import { Logger } from 'agora-rte-sdk';
import { BoardConnectionState, BoardMountState, FcrBoardShape, FcrBoardTool } from './type';
export declare class Board {
    logger: Logger;
    private _controller?;
    private _disposers;
    grantedUsers: Set<string>;
    connState: BoardConnectionState;
    mountState: BoardMountState;
    undoSteps: number;
    redoSteps: number;
    pageIndex: number;
    pageCount: number;
    strokeColor: {
        r: number;
        g: number;
        b: number;
    };
    strokeWidth: number;
    selectedTool?: FcrBoardTool | undefined;
    selectedShape?: FcrBoardShape;
    get connected(): boolean;
    get mounted(): boolean;
    get granted(): boolean;
    enable(): void;
    disable(): void;
    addPage(): void;
    removePage(): void;
    gotoPage(index: number): void;
    undo(): void;
    redo(): void;
    clean(): void;
    putImageResource(url: string, pos?: {
        x: number;
        y: number;
        width: number;
        height: number;
    }): void;
    putImageResourceIntoWindow(src: string): void;
    selectTool(tool: FcrBoardTool): void;
    drawShape(shape: FcrBoardShape): void;
    grantPrivilege(userUuid: string, granted: boolean): void;
    changeStrokeWidth(strokeWidth: number): void;
    changeStrokeColor(color: {
        r: number;
        g: number;
        b: number;
    }): void;
    loadAttributes(): void;
    saveAttributes(): void;
    getSnapshotImageList(): void;
    setDelay(delay: number): void;
    hasPrivilege(): boolean;
    install(controller: AgoraWidgetController): void;
    uninstall(): void;
    private _handleRequestGrantedList;
    private _handleDragOver;
    private _handleDrop;
    private _handleRedoStepsChanged;
    private _handleUndoStepsChanged;
    private _handlePageInfoChanged;
    private _handleGrantedUpdate;
    private _handleSnapshotImageReceived;
    private _handleConnStateChanged;
    private _handleMountStateChanged;
    private _resetTool;
    private _waitReply;
    private _sendBoardCommandMessage;
}