import type { VideoResolutionType } from './types';
export declare const PC_PROPRIETARY_CONSTRAINTS: {
    optional: {
        googDscp: boolean;
    }[];
};
export declare const VIDEO_CONSTRAINS: Record<VideoResolutionType, {
    width: number;
}>;
export declare function getVideoConstrains(resolution: keyof typeof VIDEO_CONSTRAINS, aspectRatio: number): {
    width: {
        ideal: number;
    };
    height: {
        ideal: number;
    };
};
/**
 * 所有权限列表
 */
export declare enum PermissionList {
    CHANGE_ROOM_LOCK = "CHANGE_ROOM_LOCK",
    PROMOTE_PEER = "PROMOTE_PEER",
    MODIFY_ROLE = "MODIFY_ROLE",
    SEND_CHAT = "SEND_CHAT",
    MODERATE_CHAT = "MODERATE_CHAT",
    SHARE_AUDIO = "SHARE_AUDIO",
    SHARE_VIDEO = "SHARE_VIDEO",
    SHARE_SCREEN = "SHARE_SCREEN",
    EXTRA_VIDEO = "EXTRA_VIDEO",
    SHARE_FILE = "SHARE_FILE",
    MODERATE_FILES = "MODERATE_FILES",
    MODERATE_ROOM = "MODERATE_ROOM",
    LOCAL_RECORD_ROOM = "LOCAL_RECORD_ROOM"
}