export type AVCProfileLevel = "baseline" | "main" | "high";
export type AVCLevel = "3.0" | "3.1" | "4.0" | "4.1" | "4.2" | "5.0" | "5.1" | "5.2";
export declare const avc: {
    generateCodecString: (profile: AVCProfileLevel, level: AVCLevel) => string;
};