import { AgoraRtcMediaSourceState } from '../../../../core/rtc/type';
import { AgoraObservable } from '../../../../imports';
import { AgoraElectronSourceStatusMask } from './../type';
export declare enum RectifySourceStateResultAction {
    None = 0,
    StartCapture = 1,
    StopCapture = 2
}
export type RectifySourceStateResult = {
    action: RectifySourceStateResultAction;
    sourceId: string;
};
export interface RectifySourceStateParams {
    sourceId: string;
    isSourceCapture: boolean;
}
/**
 * 设备状态管理的基类
 * 负责封装公共的属性和方法
 *
 * @class SourceStateControlImpl
 * @description 提供模型的基础能力，子类可扩展具体业务逻辑
 * @see loopback-state-control - 继承自 SourceStateControl 的loopback状态管理
 * @see media-state-control - 继承自 SourceStateControl 的camera状态管理
 * @see microphone-state-control - 继承自 SourceStateControl 的microphone状态管理
 */
export interface SourceStateControlObserver {
    onSourceStateUpdated(sourceId: string, sourceStateEnabled: boolean): void;
    onSourceErrorOccurred(sourceId: string): void;
}
export interface SourceStateControl {
    get sourceIdList(): string[];
    startSourceTest(sourceId: string): void;
    stopSourceTest(sourceId: string): void;
    openSource(sourceId: string): void;
    closeSource(sourceId: string): void;
    /**
     * Reset source state to OFF without notifying observers.
     * Used when RTC capture has been stopped but we cannot trigger upper layer callbacks yet.
     */
    resetSourceSilently(sourceId: string): void;
    occurSourceError(sourceId: string): void;
    getSourceState(sourceId: string): AgoraRtcMediaSourceState;
    getSourceEnabledState(sourceId: string): boolean;
    addObserver(observer: SourceStateControlObserver): void;
    removeObserver(observer: SourceStateControlObserver): void;
    getSourceCaptureEnabled(sourceId: string): boolean;
    release(): void;
}
export declare class SourceStateControlImpl implements SourceStateControl {
    protected logger: import("agora-foundation/lib/logger/type").Logger;
    protected readonly observable: AgoraObservable<SourceStateControlObserver>;
    protected _sourceBitMaskMapping: Map<string, AgoraElectronSourceStatusMask>;
    get sourceIdList(): string[];
    release(): void;
    addObserver(observer: SourceStateControlObserver): void;
    removeObserver(observer: SourceStateControlObserver): void;
    startSourceTest(sourceId: string): void;
    stopSourceTest(sourceId: string): void;
    openSource(sourceId: string): void;
    closeSource(sourceId: string): void;
    resetSourceSilently(sourceId: string): void;
    occurSourceError(sourceId: string): void;
    getSourceState(sourceId: string): AgoraRtcMediaSourceState;
    getSourceEnabledState(sourceId: string): boolean;
    getSourceCaptureEnabled(sourceId: string): boolean;
    private _getSourceState;
    protected _getSourceBitmask(sourceId: string): AgoraElectronSourceStatusMask;
    private _getSourceEnabledState;
    private _updateSourceMask;
}