import type * as t from "./vendor/pdfium";
import { PDFiumPage } from "./page";
export declare class PDFiumDocument {
    private readonly module;
    private readonly documentIdx;
    private readonly documentPtr;
    constructor(options: {
        module: t.PDFium;
        documentIdx: number;
        documentPtr: number;
    });
    /**
     * Get a page from the document by its index. The index is zero-based.
     */
    getPage(pageIndex: number): PDFiumPage;
    /**
     * User-friendly iterator to iterate over all pages in the document.
     */
    pages(): Generator<PDFiumPage>;
    /**
     * Get the number of pages in the document.
     */
    getPageCount(): number;
    /**
     * After you're done with the document, you should destroy it to free the memory.
     *
     * Otherwise, you'll be fired from your job for causing a memory leak. 😱
     */
    destroy(): void;
}