/**
 * Type alias for possible biometry types
 */
export declare type BiometryType = 'TouchID' | 'FaceID' | 'Biometrics';
interface IsSensorAvailableResult {
    available: boolean;
    biometryType?: BiometryType;
    error?: string;
}
interface SimplePromptOptions {
    promptMessage: string;
    cancelButtonText?: string;
}
interface SimplePromptOptionAndroid extends SimplePromptOptions {
    isDeviceAuthEnabled: boolean;
}
interface SimplePromptOptionIOS extends SimplePromptOptions {
    fallbackText?: string;
}
interface SimplePromptResult {
    success: boolean;
    error?: string;
}
declare module ReactNativeBiometricAuth {
    /**
     * Enum for touch id sensor type
     */
    const TouchID = "TouchID";
    /**
     * Enum for face id sensor type
     */
    const FaceID = "FaceID";
    /**
     * Enum for generic biometrics (this is the only value available on android)
     */
    const Biometrics = "Biometrics";
    /**
     * Returns promise that resolves to an object with object.biometryType = Biometrics | TouchID | FaceID
     * @returns {Promise<Object>} Promise that resolves to an object with details about biometrics available
     */
    function isSensorAvailable(): Promise<IsSensorAvailableResult>;
    /**
     * Prompts user with biometrics dialog using the passed in prompt message and
     * returns promise that resolves to an object with object.success = true if the user passes,
     * object.success = false if the user cancels, and rejects if anything fails
     * @param {Object} simplePromptOption
     * @returns {Promise<Object>}  Promise that resolves an object with details about the biometrics result
     */
    function simplePrompt(simplePromptOption: SimplePromptOptionAndroid | SimplePromptOptionIOS): Promise<SimplePromptResult>;
}
export default ReactNativeBiometricAuth;