/**
 * Canonical bytes that may be used as BTR HMAC material.
 *
 * Construction is intentionally guarded. The public class constructor
 * cannot be called from TypeScript, and runtime construction without the
 * module token fails. The only exported factory names the canonical BTR
 * signing encoder path.
 */
export default class BtrSigningBytes {
    #private;
    private constructor();
    static fromCanonicalBtrSigningEncoder(bytes: Uint8Array): BtrSigningBytes;
    copyBytes(): Uint8Array;
}
export { BtrSigningBytes };
