/**
 * Utility functions for PIN storage management
 */
/**
 * Get the stored PIN for training/authentication purposes
 * This will prompt for biometric authentication
 */
export declare const getStoredPinForTraining: () => Promise<string | null>;
/**
 * Check if user has a PIN stored securely
 */
export declare const hasStoredPin: () => Promise<boolean>;
/**
 * Remove stored PIN (for logout/reset purposes)
 */
export declare const clearStoredPin: () => Promise<boolean>;
/**
 * Get PIN for passing to training component
 * This function can be called from the onboarding flow
 */
export declare const getPinForTraining: (tempPin?: string) => Promise<string | null>;
export declare const setTemporaryPin: (pin: string) => void;
export declare const getTemporaryPin: () => string | null;
export declare const clearTemporaryPin: () => void;
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