/**
 * Handler function for sending native tokens on the network
 * This function handles the preparation, signing, and sending of native token transactions
 *
 * @param provider - The network provider instance
 * @param pkpPublicKey - The PKP public key for transaction signing
 * @param pkpEthAddress - The ethereum address derived from PKP
 * @param amount - Amount to send in ether (will be converted to wei)
 * @param to - Optional recipient address, defaults to self if not provided
 * @returns The transaction hash
 */
export declare const nativeSend: ({ provider, pkpPublicKey, amount, to, }: {
    provider: InstanceType<typeof ethers.providers.JsonRpcProvider>;
    pkpPublicKey: string;
    amount: string;
    to: string;
}) => Promise<string>;
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