/**
 * Shared utility functions for PDF reader modules.
 */
import type { PdfDocument } from "./pdf-document.js";
import type { PdfDictValue } from "./pdf-parser.js";
/**
 * Safely extract a string value from a PDF dictionary entry.
 * Handles both name strings and Uint8Array PDF strings (with BOM/encoding detection).
 *
 * @param dict - The PDF dictionary
 * @param key - The key to look up
 * @param doc - The PDF document for resolving indirect references
 * @returns The string value, or empty string if not found or not a string
 */
export declare function getDictStringValue(dict: PdfDictValue, key: string, doc: PdfDocument): string;