import { isFunction } from './utils';
import type { PreviewOptions, FileLike } from './types';
declare const getWithMandatoryOptions: (options: PreviewOptions) => PreviewOptions;
declare const getFileObjectUrlByType: (file: FileLike) => void | {
    name: any;
    url: string;
};
export { isFunction, getWithMandatoryOptions, getFileObjectUrlByType };
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