/**
 * Represents a bitrate value.
 *
 * The amount can be specified either as a literal value (e.g: `10`) which
 * cannot be negative, or as an unresolved number token.
 *
 * When the amount is passed as a token, unit conversion is not possible.
 */
export declare class Bitrate {
    /**
     * Create a Bitrate representing an amount of bits per second.
     *
     * @param amount the amount of bits per second
     */
    static bps(amount: number): Bitrate;
    /**
     * Create a Bitrate representing an amount of kilobits per second.
     *
     * @param amount the amount of kilobits per second
     */
    static kbps(amount: number): Bitrate;
    /**
     * Create a Bitrate representing an amount of megabits per second.
     *
     * @param amount the amount of megabits per second
     */
    static mbps(amount: number): Bitrate;
    /**
     * Create a Bitrate representing an amount of gigabits per second.
     *
     * @param amount the amount of gigabits per second
     */
    static gbps(amount: number): Bitrate;
    /**
     * The amount of bitrate.
     */
    private readonly amount;
    /**
     * The unit of bitrate.
     */
    private readonly unit;
    private constructor();
    /**
     * Return the total number of bits per second.
     */
    toBps(): number;
    /**
     * Return the total number of kilobits per second.
     */
    toKbps(): number;
    /**
     * Return the total number of megabits per second.
     */
    toMbps(): number;
    /**
     * Return the total number of gigabits per second.
     */
    toGbps(): number;
    /**
     * Checks if bitrate is a token or a resolvable object
     */
    isUnresolved(): boolean;
}