import { type ResourceStats } from './tui.js';
/**
 * TUI-based ProgressTracker with beautiful real-time display
 * Replaces the simple ora spinner with a full TUI interface
 * Falls back to ora spinner if TUI is not available (non-TTY, etc.)
 */
export declare class TUIProgressTracker {
    private tui;
    private fallbackSpinner;
    private useTUI;
    private total;
    private completed;
    private processed;
    private errors;
    private currentFile;
    private lastUpdateTime;
    private readonly updateInterval;
    private queueStatsGetter;
    private completedFiles;
    /**
     * SEC-005: Validate environment variable value
     * @param value - Environment variable value
     * @param maxLength - Maximum allowed length (default: 256)
     * @returns Sanitized value or undefined if invalid
     */
    private validateEnvVar;
    constructor(total: number, operation?: string);
    /**
     * Set startup information to display in TUI
     */
    setStartupInfo(info: {
        sourcePath?: string;
        targetPath?: string;
        totalFiles?: number;
        systemResources?: string;
        concurrency?: string;
        writeBatcher?: string;
    }): void;
    setQueueStatsGetter(getter: () => {
        queueLength: number;
        batchSize: number;
        isFlushing: boolean;
    } | null): void;
    addActive(file: string): void;
    readComplete(file: string, success: boolean): void;
    writeComplete(_file: string, _success: boolean): void;
    complete(file: string, _duration: string, success: boolean): void;
    flushing(count: number): void;
    done(_waitForWrites?: boolean): void;
    /**
     * Mark as truly done after all writes are flushed
     * Returns a promise that resolves when cleanup is complete
     */
    doneWithWrites(): Promise<void>;
    updateResourceStats(resourceStats: ResourceStats): void;
    private updateDisplay;
    getStats(): {
        readsCompleted: number;
        writesCompleted: number;
        errors: number;
        total: number;
    };
    /**
     * Log a warning message to TUI log box if TUI is active, otherwise to console
     */
    logWarning(message: string): void;
    /**
     * Log an error message to TUI log box if TUI is active, otherwise to console
     */
    logError(message: string): void;
}
export declare function setGlobalProgressTracker(tracker: TUIProgressTracker | null): void;
export declare function getGlobalProgressTracker(): TUIProgressTracker | null;
//# sourceMappingURL=tuiProgressTracker.d.ts.map