import { Logger } from '../../imports';
import { AgoraRteRenderView } from '../../type';
import { AgoraRtcConnection, AgoraRtcMediaSourceIndex, AgoraRtcRenderMode, AgoraRtcRenderResultType, AgoraRtcRenderSourceType } from './type';
export declare abstract class AgoraRtcCanvasHelper {
    protected logger: Logger;
    canvasMap: Map<AgoraRteRenderView, string>;
    abstract bind(canvasAddress: AgoraRteRenderView, renderSourceId: string, type: AgoraRtcRenderSourceType): AgoraRtcRenderResultType;
    abstract unbind(canvasAddress: AgoraRteRenderView): number;
    abstract unbindAll(renderSourceId: string, type: AgoraRtcRenderSourceType): number;
    abstract release(): void;
}
export declare class AgoraRtcCanvasTag {
    __json_serializable__: boolean;
    canvas: AgoraRtcVideoCanvas;
    sourceId: string;
    connection?: AgoraRtcConnection;
    isLocal: boolean;
    localCameraSourceIndex?: AgoraRtcMediaSourceIndex;
    constructor(canvas: AgoraRtcVideoCanvas, sourceId: string, isLocal: boolean, connection?: AgoraRtcConnection, localCameraSourceIndex?: AgoraRtcMediaSourceIndex);
    normalize(): {
        canvas: {
            view: unknown;
            mirror: boolean;
            renderMode: AgoraRtcRenderMode;
        };
        sourceId: string;
        connection: string | undefined;
        isLocal: boolean;
        localCameraSourceIndex: AgoraRtcMediaSourceIndex | undefined;
    };
}
export declare class AgoraRtcVideoCanvas {
    readonly view: unknown;
    __json_serializable__: boolean;
    readonly key: string;
    mirror: boolean;
    renderMode: AgoraRtcRenderMode;
    constructor(view: unknown, opts?: {
        mirror?: boolean;
        renderMode?: AgoraRtcRenderMode;
    });
    toString(): string;
    normalize(): {
        view: unknown;
        mirror: boolean;
        renderMode: AgoraRtcRenderMode;
    };
}
export declare abstract class AgoraRtcCanvasTagPool {
    protected logger: Logger;
    abstract getTagWithCanvasId(canvasAddress: AgoraRteRenderView): AgoraRtcCanvasTag | undefined;
    abstract addTagWithCanvasId(canvasAddress: AgoraRteRenderView, sourceId: string, canvas: AgoraRtcVideoCanvas, isLocal: boolean, connection?: AgoraRtcConnection, localCameraSourceIndex?: AgoraRtcMediaSourceIndex): void;
    abstract ifNeedStopRenderCanvas(canvasAddress: AgoraRteRenderView): void;
    abstract ifNeedStopLocalRenderCanvas(canvasAddress: AgoraRteRenderView): void;
    abstract stopRenderOnAllCanvasWithSourceId(sourceId: string): void;
    /**
     * 获取画布标签池
     * @returns 画布标签池的 Map
     */
    abstract get getCanvasTagPool(): Map<AgoraRteRenderView, AgoraRtcCanvasTag>;
    abstract release(): void;
}