/**
 * Loading state status
 */
export type LoadingStatus = 'idle' | 'loading' | 'success' | 'error';
/**
 * Retry strategy configuration
 */
export interface RetryConfig {
    /** Maximum number of retry attempts */
    maxRetries?: number;
    /** Initial delay in milliseconds before first retry */
    initialDelay?: number;
    /** Maximum delay in milliseconds between retries */
    maxDelay?: number;
    /** Exponential backoff multiplier (default: 2) */
    backoffMultiplier?: number;
    /** Function to determine if error should trigger a retry */
    shouldRetry?: (error: Error, attemptNumber: number) => boolean;
}
/**
 * Enhanced useLoader hook options
 */
export interface UseLoaderOptions {
    /** Delay in milliseconds before showing loader */
    delay?: number;
    /** Minimum duration in milliseconds to show loader once visible */
    minDuration?: number;
    /** Auto-hide loader after specified milliseconds */
    autoHide?: number;
    /** Enable fade transition */
    transition?: boolean | number;
    /** Retry configuration */
    retry?: RetryConfig;
    /** Debounce delay in milliseconds for startLoading calls */
    debounce?: number;
    /** Throttle delay in milliseconds for startLoading calls */
    throttle?: number;
    /** Callback when loading starts */
    onLoadingStart?: () => void;
    /** Callback when loading completes successfully */
    onSuccess?: () => void;
    /** Callback when loading fails */
    onError?: (error: Error) => void;
    /** Success display duration in milliseconds before resetting */
    successDuration?: number;
    /** Error display duration in milliseconds before resetting */
    errorDuration?: number;
}
/**
 * Loading state history entry
 */
export interface LoadingHistoryEntry {
    /** Timestamp when loading started */
    startTime: number;
    /** Timestamp when loading ended */
    endTime?: number;
    /** Duration in milliseconds (if ended) */
    duration?: number;
    /** Final status of this loading session */
    status: LoadingStatus;
    /** Error if status is 'error' */
    error?: Error;
    /** Number of retry attempts made */
    retryCount?: number;
}
/**
 * Enhanced useLoader hook return value
 */
export interface UseLoaderReturn {
    /** Current loading state */
    loading: boolean;
    /** Whether loader should be visible (respects delay and minDuration) */
    isVisible: boolean;
    /** Current status (idle, loading, success, error) */
    status: LoadingStatus;
    /** Current error if any */
    error: Error | null;
    /** Number of current retry attempt (0 if not retrying) */
    retryAttempt: number;
    /** Loading history */
    history: LoadingHistoryEntry[];
    /** Start loading */
    startLoading: () => void;
    /** Stop loading with success */
    stopLoading: () => void;
    /** Toggle loading state */
    toggleLoading: () => void;
    /** Set loading state directly */
    setLoading: (loading: boolean) => void;
    /** Stop loading with error */
    setError: (error: Error) => void;
    /** Manually retry the last failed operation */
    retry: () => void;
    /** Reset to idle state */
    reset: () => void;
    /** Clear history */
    clearHistory: () => void;
}
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