import { FontBytesByVariant } from '../core/font/index.js';
import { FetchLike } from '../core/fonts/index.js';
import { SignatureOptions, StyledRenderOptions } from '../pdf/index.js';
/**
 * Options for the xlsx → PDF convenience converters. Extends the low-level
 * {@link StyledRenderOptions} (minus the font `registry` and `styles`, which the
 * converter builds itself) with font acquisition and source-touching conveniences.
 */
export interface ConvertXlsxOptions extends Omit<StyledRenderOptions, 'registry' | 'styles'> {
    /** Shorthand for supplying a single regular-variant font as raw bytes. */
    readonly fontBytes?: Uint8Array;
    /** Explicit font bytes per variant (regular/bold/italic/bold-italic). */
    readonly fonts?: FontBytesByVariant;
    /**
     * Force a substitute font family for the auto-download path. Ignored when
     * `fonts`/`fontBytes` are supplied.
     */
    readonly fontFamily?: string;
    /** Injectable `fetch` for the auto-download path (defaults to the global `fetch`). */
    readonly fontFetch?: FetchLike;
    /**
     * For PDF/A-3 only: embed the input `.xlsx` as an associated source file
     * (`/AFRelationship /Source`). Ignored for other profiles.
     */
    readonly embedSource?: boolean;
    /**
     * E-SHEET W9 — the reference date for conditional-format `timePeriod` rules and
     * `TODAY()`/`NOW()` in `expression` rules. An explicit input (never the wall
     * clock), so output stays deterministic; omitted ⇒ those clock-relative rules
     * no-op.
     */
    readonly now?: Date;
    /**
     * Digitally sign the output (ISO 32000 §12.8). Requires the async
     * {@link convertXlsxToPdf} (signing uses WebCrypto). Ignored by the sync
     * converter.
     */
    readonly signature?: SignatureOptions;
}
/**
 * Convert a .xlsx to PDF in one shot.
 *
 * @deprecated Use `Ream.parse(bytes).convert('pdf', options)` — one parse,
 * any number of targets. This function remains for 0.1.x compatibility.
 */
export declare function convertXlsxToPdf(xlsx: Uint8Array, options?: ConvertXlsxOptions): Promise<Uint8Array>;
/**
 * Synchronous one-shot conversion (requires `fonts`/`fontBytes`).
 *
 * Internal since 1.0 — see the async variant above.
 */
export declare function convertXlsxToPdfSync(xlsx: Uint8Array, options: ConvertXlsxOptions): Uint8Array;