import { XYContentConfig, XYPeopleConfig, StreamResolution, ConstraintMode, StreamFrameRate, IRecallConfig } from '../type/index';
/**
 * 获取Electron采集约束配置
 *
 * @param width - 宽度
 * @param height - 高度
 * @param frameRate - 帧率
 * @returns { TConstraintsConfig } - 约束配置
 */
export declare const getElectronConstraints: (width: number, height: number, frameRate: StreamFrameRate) => {
    video: {
        mandatory: {
            chromeMediaSource: string;
            chromeMediaSourceId: string;
            maxWidth: number;
            maxHeight: number;
            maxFrameRate: StreamFrameRate;
        };
    };
    audio: {
        mandatory: {
            chromeMediaSource: string;
            chromeMediaSourceId: string;
        };
        optional: ({
            noiseSuppression: boolean;
            autoGainControl?: undefined;
            googAutoGainControl?: undefined;
            googNoiseSuppression?: undefined;
            googHighpassFilter?: undefined;
            googTypingNoiseDetection?: undefined;
            googAudioMirroring?: undefined;
        } | {
            autoGainControl: boolean;
            noiseSuppression?: undefined;
            googAutoGainControl?: undefined;
            googNoiseSuppression?: undefined;
            googHighpassFilter?: undefined;
            googTypingNoiseDetection?: undefined;
            googAudioMirroring?: undefined;
        } | {
            googAutoGainControl: boolean;
            noiseSuppression?: undefined;
            autoGainControl?: undefined;
            googNoiseSuppression?: undefined;
            googHighpassFilter?: undefined;
            googTypingNoiseDetection?: undefined;
            googAudioMirroring?: undefined;
        } | {
            googNoiseSuppression: boolean;
            noiseSuppression?: undefined;
            autoGainControl?: undefined;
            googAutoGainControl?: undefined;
            googHighpassFilter?: undefined;
            googTypingNoiseDetection?: undefined;
            googAudioMirroring?: undefined;
        } | {
            googHighpassFilter: boolean;
            noiseSuppression?: undefined;
            autoGainControl?: undefined;
            googAutoGainControl?: undefined;
            googNoiseSuppression?: undefined;
            googTypingNoiseDetection?: undefined;
            googAudioMirroring?: undefined;
        } | {
            googTypingNoiseDetection: boolean;
            noiseSuppression?: undefined;
            autoGainControl?: undefined;
            googAutoGainControl?: undefined;
            googNoiseSuppression?: undefined;
            googHighpassFilter?: undefined;
            googAudioMirroring?: undefined;
        } | {
            googAudioMirroring: boolean;
            noiseSuppression?: undefined;
            autoGainControl?: undefined;
            googAutoGainControl?: undefined;
            googNoiseSuppression?: undefined;
            googHighpassFilter?: undefined;
            googTypingNoiseDetection?: undefined;
        })[];
    };
};
/**
 * people基础约束配置
 */
export declare const BASE_PEOPLE_CONSTRAINTS: XYPeopleConfig;
/**
 * content采集基础约束配置
 */
export declare const BASE_CONTENT_CONSTRAINTS: XYContentConfig;
/**
 * people采集音频基础约束配置
 */
export declare const BASE_PEOPLE_AUDIO_CONSTRAINTS: {
    channelCount: number;
    autoGainControl: boolean;
    noiseSuppression: boolean;
    echoCancellation: boolean;
};
/**
 * content 720P 1080P 采集配置信息
 *
 * COMMON: 普通模式
 * ADVANCED: 高级模式， 帧率、宽、高 可进行最大、最小、期望设置
 * ELECTRON_COMMON: Electron桌面共享视频流采集约束配置方案
 *
 * @param { StreamResolution } resolution - 分辨率
 * @param { StreamFrameRate } frameRate - 帧率
 * @param { ConstraintMode } constraintMode - 模式
 */
export declare const GET_CONTENT_CONSTRAINTS: (resolution: StreamResolution, frameRate: StreamFrameRate, constraintMode: ConstraintMode) => any;
/**
 * people 180P 360P 720P 采集配置信息
 *
 * common: 普通模式
 * advanced: 高级模式， 帧率、宽、高 可进行最大、最小、期望设置
 * 特殊说明：180P采集默认配置15帧率，无法增加，其他支持基于Config配置形式采集
 */
export declare const GET_PEOPLE_CONSTRAINTS: (resolution: StreamResolution, frameRate: StreamFrameRate, constraintMode: ConstraintMode) => any;
/**
 * 分辨率枚举，将分辨率转换为0-6的索引值
 */
export declare const RESOLUTION_MAP: Record<string, number>;
/**
 * 枚举分辨率对应的最小带宽值
 */
export declare const MIN_BANDWIDTH_MAP: Record<string, number>;
/**
 * 重呼配置参数
 */
export declare const DEFAULT_RECALL_CONFIG: Required<IRecallConfig>;