import { AgoraRtcAiDenoiseLevel, AgoraRtcBeautyOptions, AgoraRtcVirtualBackgroundOptions } from '../../../core/rtc/type';
import type { IRtcEngineEx } from 'shengwang-electron-sdk';
import { AgoraRtcCaptureEnhancement } from '../../../core/rtc/capture-enhancement';
import { AgoraRtcSourceManager } from '../../../core/rtc/source-manager';
export declare class AgoraRtcCaptureEnhancementImpl extends AgoraRtcCaptureEnhancement {
    private readonly _rtcEngine;
    private readonly _sourceManager;
    protected readonly logger: import("agora-foundation/lib/logger").Logger;
    private _beautyEnabled;
    private _beautyOptions;
    private _virtualBackgroundEnabled;
    private _virtualBackgroundOptions;
    private _hifiModeEnabled;
    private _stereoModeEnabled;
    private _originalSoundModeEnabled;
    constructor(_rtcEngine: IRtcEngineEx, _sourceManager: AgoraRtcSourceManager);
    release(): number;
    setBeautyOptions(deviceId: string, options: AgoraRtcBeautyOptions): number;
    enableBeauty(deviceId: string): number;
    disableBeauty(deviceId: string): number;
    setVirtualBackgroundOptions(deviceId: string, options: AgoraRtcVirtualBackgroundOptions): number;
    enableVirtualBackground(deviceId: string): number;
    disableVirtualBackground(deviceId: string): number;
    setAiDenoiseLevel(_: string, level: AgoraRtcAiDenoiseLevel): number;
    enableHiFiMode(): number;
    disableHiFiMode(): number;
    enableAEC(): number;
    disableAEC(): number;
    enableStereoMode(): number;
    disableStereoMode(): number;
    enableLowlightEnhancement(): number;
    disableLowlightEnhancement(): number;
    enableVideoDenoiser(): number;
    disableVideoDenoiser(): number;
    enableHardwareEncoder(): number;
    disableHardwareEncoder(): number;
    enableOriginalSoundMode(): number;
    disableOriginalSoundMode(): number;
    checkSatisfyVirtualBackgroundRequirements(): boolean;
    checkSatisfyBeautyRequirements(): boolean;
    enableAGC(): number;
    disableAGC(): number;
    private _validateVirtualBackgroundOptions;
    private _composeVirtualBackgroundSource;
    private _isValidFileNamePattern;
    private _getMediaSourceType;
    private _updateAudioProfile;
    private _updateAudioBitrate;
    /**
     * 统一更新音频配置（包括音频配置文件和比特率）
     */
    private _updateAudioConfiguration;
    private _setAudioBitrate;
}