export declare enum SignMessageVersion {
    /**
     * Pass-through mode: sends `sendingData` directly to the device with no
     * header wrapping. Use this when the caller has already built a valid
     * off-chain message payload (e.g. a correctly formatted V0 or V1 OCM).
     * Returns a plain base58 signature (no envelope).
     */
    Raw = "raw",
    /**
     * Compact V0 header without `appDomain` or signer fields.
     * Only recognised by older Solana app firmware versions.
     * Current firmware (>= 1.x) requires the full V0 header and will
     * reject this format with `6a81`.
     */
    Legacy = "legacy",
    V0 = "v0",
    V1 = "v1"
}
export type MessageOptions = {
    skipOpenApp?: boolean;
    /**
     * Off-chain message signing mode. Defaults to `V0`.
     *
     * - `V0` (default) — supported on all firmware with off-chain signing.
     *   Falls back to Legacy on `6a81`.
     * - `V1` — supported on firmware with V1 off-chain signing (not yet
     *   released). Falls back to V0 on `6a81`.
     * - `Legacy` — for backward compatibility with very old Solana app
     *   firmware. Current firmware will reject it.
     * - `Raw` — pass-through: the caller provides the fully formatted
     *   payload (as `Uint8Array`) and the SDK sends it as-is.
     *
     * Fallback cascade on `6a81` (invalid header):
     *   V1 -> V0 -> Legacy
     *   V0 -> Legacy
     *   Legacy / Raw -> no fallback
     */
    version?: SignMessageVersion;
    /**
     * V0 only: the application domain to include in the off-chain message header.
     * Encoded as UTF-8 and padded/truncated to 32 bytes.
     * If omitted, defaults to 32 zero bytes. Ignored for V1, Legacy, and Raw.
     *
     * @see https://docs.anza.xyz/proposals/off-chain-message-signing
     */
    appDomain?: string;
    /**
     * V1 only: additional required signers to include in the off-chain message
     * header alongside the user's key. Per sRFC 38, this is the recommended
     * replacement for the V0 `appDomain` field — add the dApp's pubkey here to
     * bind the message to a specific application. Ignored for V0, Legacy, and Raw.
     *
     * Each entry must be a 32-byte Ed25519 public key (`Uint8Array` of length 32).
     * The V1 signer count is encoded as a `uint8`, so at most 254 additional
     * signers are supported (1 slot is reserved for the user's key). Passing a
     * signer with the wrong length or exceeding the limit returns an error before
     * any device communication.
     */
    signers?: Uint8Array[];
};
//# sourceMappingURL=MessageOptions.d.ts.map