export declare const writeBLECharacteristicValue: () => Promise<{
    errMsg: string;
}>;
export declare const setBLEMTU: () => Promise<{
    errMsg: string;
}>;
export declare const readBLECharacteristicValue: () => Promise<{
    errMsg: string;
}>;
export declare const onBLEMTUChange: () => Promise<{
    errMsg: string;
}>;
export declare const onBLEConnectionStateChange: () => Promise<{
    errMsg: string;
}>;
export declare const onBLECharacteristicValueChange: () => Promise<{
    errMsg: string;
}>;
export declare const offBLEMTUChange: () => Promise<{
    errMsg: string;
}>;
export declare const offBLEConnectionStateChange: () => Promise<{
    errMsg: string;
}>;
export declare const offBLECharacteristicValueChange: () => Promise<{
    errMsg: string;
}>;
export declare const notifyBLECharacteristicValueChange: () => Promise<{
    errMsg: string;
}>;
export declare const getBLEMTU: () => Promise<{
    errMsg: string;
}>;
export declare const getBLEDeviceServices: () => Promise<{
    errMsg: string;
}>;
export declare const getBLEDeviceRSSI: () => Promise<{
    errMsg: string;
}>;
export declare const getBLEDeviceCharacteristics: () => Promise<{
    errMsg: string;
}>;
export declare const createBLEConnection: () => Promise<{
    errMsg: string;
}>;
export declare const closeBLEConnection: () => Promise<{
    errMsg: string;
}>;