import type { Address } from "abitype";
import type { Hex } from "../../../utils/encoding/hex.js";
import type { Account } from "../../../wallets/interfaces/wallet.js";
/**
 * @extension FARCASTER
 */
export type AddMessage = {
    /** FID owner address */
    owner: Address;
    /** Key type. The only currently supported key type is 1, for EdDSA signers. */
    keyType: number;
    /** Public key to register onchain */
    key: Hex;
    /** Metadata type. The only currently supported metadata type is 1. */
    metadataType: number;
    /** ABI-encoded SignedKeyRequestMetadata struct */
    metadata: Hex;
    /** KeyGateway nonce for signer address */
    nonce: bigint;
    /** Unix timestamp when this message expires */
    deadline: bigint;
};
/**
 * @extension FARCASTER
 */
export type SignAddOptions = {
    account: Account;
    message: AddMessage;
};
/**
 * Prepares the data required for signing an Add message according to EIP-712.
 * @param message - The AddMessage object containing the message to be signed.
 * @returns The data object structured according to EIP-712, ready for signing.
 * @extension FARCASTER
 * @example
 * ```typescript
 * const message: AddMessage = {
 *   owner: "0xYourAddress",
 *   keyType: 1,
 *   key: "0xYourPublicKey",
 *   metadataType: 1,
 *   metadata: "0xYourMetadata",
 *   nonce: BigInt("YourNonce"),
 *   deadline: BigInt("YourDeadline"),
 * };
 *
 * const data = getAddData(message);
 * ```
 */
export declare function getAddData(message: AddMessage): {
    message: AddMessage;
    primaryType: "Add";
    domain: {
        readonly chainId: 10;
        readonly name: "Farcaster KeyGateway";
        readonly verifyingContract: "0x00000000fC56947c7E7183f8Ca4B62398CaAdf0B";
        readonly version: "1";
    };
    types: {
        readonly Add: readonly [{
            readonly name: "owner";
            readonly type: "address";
        }, {
            readonly name: "keyType";
            readonly type: "uint32";
        }, {
            readonly name: "key";
            readonly type: "bytes";
        }, {
            readonly name: "metadataType";
            readonly type: "uint8";
        }, {
            readonly name: "metadata";
            readonly type: "bytes";
        }, {
            readonly name: "nonce";
            readonly type: "uint256";
        }, {
            readonly name: "deadline";
            readonly type: "uint256";
        }];
    };
};
/**
 * Signs an Add message using the account's signTypedData method.
 * @param options - The options for signing the Add message.
 * @returns A promise that resolves to the signature of the Add message.
 * @extension FARCASTER
 * @example
 * ```typescript
 * const signedMessage = await signAdd({
 *   account: yourAccount,
 *   message: yourAddMessage,
 * });
 * ```
 */
export declare function signAdd(options: SignAddOptions): Promise<Hex>;
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