import { Buffer } from "node:buffer";
import { BufferInput } from "../input/index.js";
/**
 * Generic class for image extraction.
 */
export declare class ExtractedImage {
    buffer: Buffer;
    filename: string;
    readonly pageId: number;
    readonly elementId: number;
    constructor(buffer: Uint8Array, fileName: string, pageId: number, elementId: number);
    /**
     * Saves the document to a file.
     *
     * @param outputPath Path to save the file to.
     */
    saveToFileAsync(outputPath: string): Promise<void>;
    /**
     * Attempts to saves the document to a file synchronously.
     * Throws an error if the file extension is not supported or if the file could not be saved to disk for some reason.
     *
     * @param outputPath Path to save the file to.
     */
    saveToFile(outputPath: string): void;
    /**
     * Return the file as a Mindee-compatible BufferInput source.
     *
     * @returns A BufferInput source.
     */
    asInputSource(): BufferInput;
}