import type { HelperDelegate } from "handlebars";
import type { PdfRenderOptions } from "../pdf/renderOptions";
/** Options passed to Handlebars `ifCond` helper inverse/fn blocks */
export interface IfCondOptions {
    fn: (context: any) => string;
    inverse: (context: any) => string;
}
/**
 * Output to a file. Use `type: "file"` or `""`, or omit `type` when `path` is set.
 */
export interface PdfDocumentFile {
    html: string;
    data: any;
    path: string;
    type?: "file" | "";
}
/** Output a PDF buffer */
export interface PdfDocumentBuffer {
    html: string;
    data: any;
    type: "buffer";
}
/** Output a PDF read stream */
export interface PdfDocumentStream {
    html: string;
    data: any;
    type: "stream";
}
export type PdfDocument = PdfDocumentFile | PdfDocumentBuffer | PdfDocumentStream;
/** @deprecated Use `PdfDocument` — kept for compatibility with earlier typings */
export type Document = PdfDocument;
/** Page size / margins — maps to PDF engine paper options */
export interface PdfLayout {
    format?: "A3" | "A4" | "A5" | "Legal" | "Letter" | "Tabloid";
    orientation?: "portrait" | "landscape";
    width?: string;
    height?: string;
    border?: PdfRenderOptions["border"];
}
/** Repeating header — use `html` or a plain `title` (escaped) */
export interface PdfHeaderConfig {
    height?: string;
    /** Raw HTML shown on each page */
    html?: string;
    /** Centered plain text (HTML-escaped). Ignored if `html` is set */
    title?: string;
}
/** Repeating footer — use `html`, or `copyright` / `showPageNumbers` */
export interface PdfFooterConfig {
    height?: string;
    /** Raw HTML for the default footer slot */
    html?: string;
    /** Plain copyright line (HTML-escaped) */
    copyright?: string;
    /**
     * Include `{{page}}` / `{{pages}}`. If `copyright` is set, defaults to true unless `false`.
     * For page numbers only, set `showPageNumbers: true` and omit `copyright`.
     */
    showPageNumbers?: boolean;
}
/**
 * High-level layout + header/footer/copyright. Merged before PDF render; any
 * explicit `format`, `header`, `footer` on the same options object overrides these.
 */
export interface PdfChromeOptions {
    layout?: PdfLayout;
    header?: PdfHeaderConfig;
    footer?: PdfFooterConfig;
}
/**
 * PDF engine options (Puppeteer / Chromium), plus optional Handlebars helpers for this render only
 * (rendering uses an isolated Handlebars instance).
 */
export type PdfCreateOptions = PdfRenderOptions & {
    handlebarsHelpers?: Record<string, HelperDelegate>;
    /** Convenience presets merged into PDF options (explicit keys override) */
    pdfChrome?: PdfChromeOptions;
};
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