/**
 * Aptos Chain Adapter
 *
 * Builds Aptos Move transactions using BCS serialization,
 * attaches Ed25519 signatures from the FROST threshold signing
 * network, and broadcasts via Aptos REST API.
 *
 * Requires: npm install @aptos-labs/ts-sdk
 */
import { ChainAdapter, AptosTransaction } from '../core/types';
export declare class AptosAdapter implements ChainAdapter {
    private rpcUrl;
    private network;
    private aptosSdk;
    constructor(network?: 'mainnet' | 'testnet' | 'devnet', rpcUrl?: string);
    getRpcUrl(): string;
    /**
     * Build an unsigned Aptos transaction.
     *
     * The signing payload is SHA3-256("APTOS::RawTransaction" prefix hash + BCS-serialized RawTransaction).
     */
    buildTransaction(tx: AptosTransaction, fromAddress: string): Promise<string>;
    getSigningPayload(unsignedTx: string): string;
    /**
     * Attach an Ed25519 signature to the Aptos transaction
     */
    attachSignature(unsignedTx: string, signature: string): Promise<string>;
    /**
     * Broadcast a signed Aptos transaction
     */
    broadcast(signedTx: string): Promise<string>;
    /**
     * Get APT balance in Octas
     */
    getBalance(address: string): Promise<string>;
}
export declare function createAptosAdapter(rpcUrl?: string): AptosAdapter;
export declare function createAptosTestnetAdapter(rpcUrl?: string): AptosAdapter;
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