import type { FileItem, InternalFileItem } from '@chayns-components/core';
import { GalleryViewMode } from '../types/gallery';
export declare const mapFilesToInternalItems: (files?: FileItem[]) => InternalFileItem[];
export declare const getGalleryViewerKey: (fileItem: FileItem, index: number) => string;
export declare const getGalleryRatio: (fileItems: FileItem[]) => number;
export declare const getReadOnlyItemRatio: ({ fileItems, index, viewMode, }: {
    fileItems: FileItem[];
    index: number;
    viewMode: GalleryViewMode;
}) => number;
export declare const openFiles: (fileItems: InternalFileItem[], file: InternalFileItem) => void;
export declare const openKnownFiles: (fileItems: FileItem[], file: FileItem) => void;