export declare enum ClientMetaTypes {
    MEDIA_CONSTRAINT = "MEDIA_CONSTRAINT",
    MEDIA_DEVICE = "MEDIA_DEVICE",
    MEDIA_DEVICES_SUPPORTED_CONSTRAINTS = "MEDIA_DEVICES_SUPPORTED_CONSTRAINTS",
    USER_MEDIA_ERROR = "USER_MEDIA_ERROR",
    LOCAL_SDP = "LOCAL_SDP",
    OPERATION_SYSTEM = "OPERATION_SYSTEM",
    ENGINE = "ENGINE",
    PLATFORM = "PLATFORM",
    BROWSER = "BROWSER"
}
export type MediaDeviceInfo = {
    deviceId: string;
    label: string;
    kind: string;
    groupId: string;
};
export type Browser = {
    name: string;
    version: string;
};
export type Platform = {
    name: string;
    version: string;
};
export type Engine = {
    name: string;
    version: string;
};
export type OperationSystem = {
    name: string;
    version: string;
};