import type { DetectedFile } from '../content-detection.js';
export type FilePreviewData = {
    file: DetectedFile;
    resolvedUrl?: string;
    cachedBase64?: string;
    originalFileName?: string;
    resolvedMimeType?: string;
    fileSize?: number;
    pdfTotalPages?: number;
    csvInfo?: {
        totalRows: number;
        totalColumns: number;
    };
    textInfo?: {
        totalLines: number;
    };
};
export declare function useFilePreviewPanel(): {
    isOpen: any;
    isLoading: any;
    currentFile: any;
    panelWidth: any;
    minPanelWidth: number;
    maxPanelWidth: number;
    openPreview: (data: FilePreviewData) => void;
    updatePreview: (data: Partial<FilePreviewData>) => void;
    setError: () => void;
    closePreview: () => void;
    setPanelWidth: (width: number) => void;
};