import type { FarcasterSignedKeyRequestMetadata, FarcasterSignedKeyRequestTypedData, FarcasterSignedKeyRequestTypedDataDomain } from "./types.js";
export declare function buildFarcasterSignedKeyRequestTypedData(params: {
    requestFid: bigint;
    signerPublicKey: string;
    deadline: bigint;
} & Partial<Pick<FarcasterSignedKeyRequestTypedDataDomain, "chainId" | "verifyingContract">>): FarcasterSignedKeyRequestTypedData;
export declare function computeFarcasterSignedKeyRequestDeadline(params?: {
    nowSeconds?: number;
    ttlSeconds?: number;
}): bigint;
export declare function buildFarcasterSignedKeyRequestMetadata(params: {
    requestFid: bigint;
    requestSigner: string;
    signature: string;
    deadline: bigint;
}): FarcasterSignedKeyRequestMetadata;