import type { PdfJsEvent } from './pdf-js-engine.js';
export declare function printd(fmt: string, date: Date): string;
export declare function scand(fmt: string, str: string): Date | null;
export declare function printf(fmt: string, ...args: unknown[]): string;
export declare const util: {
    printd: typeof printd;
    scand: typeof scand;
    printf: typeof printf;
};
type GetFieldValue = (name: string) => string;
export declare function createBuiltins(event: PdfJsEvent, getFieldValue?: GetFieldValue): Record<string, unknown>;
export {};