import type { ReadableStream as NodeWebRS } from 'node:stream/web';
import type { FileCollection } from '../FileCollection.ts';
import type { Options } from '../Options.ts';
import type { ToIumIndex } from './versions/index.ts';
export interface ExtraFileContentInput {
    /**
     * Primitives from file reading libraries
     */
    buffer: Uint8Array | ArrayBufferLike | Blob;
    /**
     * From file reading stream api
     */
    stream: ReadableStream | NodeWebRS;
    /**
     * Raw text content (no binary string encoding nor base64)
     */
    text: string;
}
export type ExtraFileContent = ExtraFileContentInput[keyof ExtraFileContentInput];
export interface ToIumOptionsExtraFile {
    relativePath: string;
    data: ExtraFileContent;
    options?: Options;
    uuid?: string;
}
export interface ToIumOptions {
    /**
     * If true, the data of the files will always be included in the zip.
     * @default true
     */
    includeData?: boolean;
    /**
     * The mimetype of the zip file.
     * It's put in the zip as the first entry,
     * not compressed in the zip to be able to fast check it with signature and minimal parsing.
     * @default 'application/x-ium+zip'
     */
    mimetype?: string;
    getExtraFiles?: (index: ToIumIndex, fileCollection: FileCollection) => Iterable<ToIumOptionsExtraFile>;
}
/**
 * This method will zip a file collection and return the zip as an ArrayBuffer
 * @param fileCollection - The file collection to zip
 * @param options - Options for the zip process
 * @returns Zip as an Uint8Array
 */
export declare function toIum(fileCollection: FileCollection, options?: ToIumOptions): Promise<Uint8Array<ArrayBuffer>>;
export declare const UNSUPPORTED_EXTRA_FILE_CONTENT_ERROR = "Unsupported file content type.\nIf you passed a Node.js Stream convert it to Web Stream.";
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