import { Device } from 'react-native-ble-plx';
import type { TossUser } from './types/tossUser';
import type { SolanaIntent } from './intent';
import type { OfflineTransaction } from './types/nonceAccount';
export declare function requestBLEPermissions(): Promise<void>;
export declare function startTossScan(onUserFound: (user: TossUser, device: Device) => void, onIntentFound: (intent: SolanaIntent, device: Device) => void, onOfflineTransactionFound?: (tx: OfflineTransaction, device: Device) => void): void;
export declare function advertiseUser(user: TossUser): Promise<void>;
export declare function stopAdvertising(): Promise<void>;
export declare function sendIntentToDevice(deviceId: string, intent: SolanaIntent): Promise<void>;
/**
 * Send fragmented offline transaction over BLE with Noise Protocol encryption
 * Automatically handles MTU limitations and retries
 */
export declare function sendOfflineTransactionFragmented(device: Device, transaction: OfflineTransaction | SolanaIntent, noiseEncryptFn?: (data: Uint8Array) => Promise<any>, isIntent?: boolean): Promise<{
    success: boolean;
    sentFragments: number;
    failedFragments: number[];
    messageId: string;
}>;
/**
 * Receive and reassemble fragmented message from BLE
 */
export declare function receiveOfflineTransactionFragment(fragment: any, noiseDecryptFn?: (encrypted: any) => Promise<Uint8Array>): Promise<{
    complete: boolean;
    transaction?: OfflineTransaction | SolanaIntent;
    progress: {
        received: number;
        total: number;
    };
}>;
/**
 * Get current BLE MTU configuration
 */
export declare function getBLEMTUConfig(): import(".").BLEMTUConfig;
/**
 * Set custom BLE MTU configuration
 */
export declare function setBLEMTUConfig(config: Partial<any>): void;
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