import { type SimulcastInfo as ISimulcastInfo } from '../types/SimulcastInfo';
import type { VideoBitrateSettings } from '../types/VideoSettings';
export declare const SIMULCAST_DEFAULT: {
    HEIGHT: number;
    WIDTH: number;
    BITRATE: number;
};
export declare const SIMULCAST_SCALABILITY_MODE = "L1T2";
export declare const MAP_RID_TO_SCALE_RESOLUTION_DOWN_BY: Record<string, number>;
export declare function isEqualSimulcastInfo(si1: ISimulcastInfo | null, si2: ISimulcastInfo | null): boolean;
export declare function findBitrateAsc(maxDimension: number, bitrates: VideoBitrateSettings[]): number;
export declare function calculateSimulcastInfo(width?: number, height?: number, bitrates?: VideoBitrateSettings[]): ISimulcastInfo;
export declare function findScaleResolutionDownBy(rid?: string): number;