export declare class DerivationAxis {
    private readonly i;
    constructor(i: number);
    /**
     * Represents if the axis is hardened
     */
    get hardened(): boolean;
    /**
     * Number corresponding to the axis (different for index), always between 0 and 2^31^
     */
    get number(): number;
    /**
     * Renders axis as number with optional ' for hardened path, e.g. 1 or 7'
     */
    toString(): string;
    private static safeCast;
    static normal(num: number): DerivationAxis;
    static hardened(num: number): DerivationAxis;
}