import { NativeTypedEvent } from "./ExtendedWebBluetooth";
export declare class LavvaBluetooth {
    private receiveBuffer;
    private _maxCharacteristicValueLength;
    private serviceUuid;
    private characteristicUuid;
    private receiveSeparator;
    private sendSeparator;
    private static selectedDevice;
    private static gattServer;
    private static gattService;
    private static gattOperationQueue;
    private static gattOperationSequence;
    private static gattQueuedOperations;
    private static requestResponseQueue;
    private static requestResponseSequence;
    private static queuedRequestResponses;
    private static readonly GATT_OPERATION_SETTLE_DELAY_MS;
    private static readonly GATT_BUSY_RETRY_DELAY_MS;
    private static readonly GATT_BUSY_MAX_ATTEMPTS;
    private static readonly METHOD_RESPONSE_MAP;
    private characteristic;
    private notificationsStarted;
    private pendingResponses;
    OnGattServiceDisconnectedEvent: NativeTypedEvent<BluetoothRemoteGATTServer | undefined>;
    OnCharacteristicValueChangedEvent: NativeTypedEvent<string>;
    OnConnectedEvent: NativeTypedEvent<BluetoothDevice>;
    OnDisconnectedEvent: NativeTypedEvent<BluetoothDevice>;
    private filter;
    private static instances;
    private static getTimestamp;
    private static logInfo;
    private static logWarn;
    private static logError;
    private static globalGattDisconnectedHandlerInstalled;
    private static globalGattDisconnectedHandler;
    constructor();
    /** Call when instance is no longer needed (prevents registry leak). */
    Dispose(): void;
    private getTimestamp;
    private logInfo;
    private logWarn;
    private logError;
    private WHITESPACE_NAMES;
    private visualizeTrailingWhitespace;
    private logTrailingWhitespaceDetail;
    private updateMaxPayload;
    SetFilter(filters: BluetoothLEScanFilter[]): void;
    GetConnectedDevice(): BluetoothDevice | null;
    private expectedUuidFrom16Bit;
    private isExpectedCharacteristic;
    /**
     * Connects to device + primary service (shared statically).
     * DOES NOT automatically connect this instance to a different characteristic than its default (0xffe1),
     * but will connect this instance to its current characteristicUuid.
     */
    RequestDeviceAndConnectAsync(): Promise<BluetoothDevice | DeviceConnectionError>;
    /**
     * Connects THIS instance to a given characteristic (notifications + listener).
     * Use separate instance per characteristic.
     */
    ConnectToGattCharacteristicAsync(characteristicUuid: number): Promise<BluetoothRemoteGATTCharacteristic | DeviceConnectionError>;
    private AttachToCharacteristicInternal;
    private handleCharacteristicValueChanged;
    /**
     * Disconnects the shared device connection AND cleans up ALL instance listeners/notifications.
     * You can call it from any instance.
     */
    DisconnectDeviceAsync(device: BluetoothDevice): Promise<DeviceDisconnectionStatus>;
    private detachCharacteristic;
    SendDataAsync(data: string): Promise<WriteDataStatus>;
    SendAndWaitForResponseAsync<T>(data: any, timeout?: number): Promise<T>;
    private WriteValueAsync;
    private SplitByLength;
    private runExclusiveGattOperation;
    private runExclusiveRequestResponse;
    private sendPayloadAsync;
    private serializeOutgoingData;
    private normalizeFrame;
    private dispatchPendingResponse;
    private rejectPendingResponses;
    private createResponseMatcher;
    private getExpectedResponseMethods;
    private tryParseJsonFrame;
    private getCorrelationId;
    private getStringField;
    private isGattOperationInProgressError;
}
export declare enum DeviceConnectionError {
    NoDeviceHasBeenSelected = 0,
    AnotherDeviceIsAlreadyConnected = 1,
    FailedToConnectToGattServer = 2,
    FailedToGetPrimaryService = 3,
    FailedToDiscoverService = 4,
    FailedToGetCharacteristic = 5,
    FailedToStartNotifications = 6
}
export declare enum DeviceDisconnectionStatus {
    NoDeviceConnected = 0,
    FailedToForgetDevice = 1,
    FailedToDisconnect = 2,
    FailedToStopNotifications = 3,
    DisconnectedSuccesfully = 4
}
export declare enum WriteDataStatus {
    Sucess = 0,
    DataIsEmpty = 1,
    NoDeviceConnected = 2,
    FailedToWriteValue = 3
}