/**
 * Copyright 2020 Google Inc. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/**
 * @public
 */
export interface PDFMargin {
    top?: string | number;
    bottom?: string | number;
    left?: string | number;
    right?: string | number;
}
/**
 * All the valid paper format types when printing a PDF.
 *
 * @remarks
 *
 * The sizes of each format are as follows:
 * - `Letter`: 8.5in x 11in
 *
 * - `Legal`: 8.5in x 14in
 *
 * - `Tabloid`: 11in x 17in
 *
 * - `Ledger`: 17in x 11in
 *
 * - `A0`: 33.1in x 46.8in
 *
 * - `A1`: 23.4in x 33.1in
 *
 * - `A2`: 16.54in x 23.4in
 *
 * - `A3`: 11.7in x 16.54in
 *
 * - `A4`: 8.27in x 11.7in
 *
 * - `A5`: 5.83in x 8.27in
 *
 * - `A6`: 4.13in x 5.83in
 *
 * @public
 */
export declare type PaperFormat = 'letter' | 'legal' | 'tabloid' | 'ledger' | 'a0' | 'a1' | 'a2' | 'a3' | 'a4' | 'a5' | 'a6';
/**
 * Valid options to configure PDF generation via {@link Page.pdf}.
 * @public
 */
export interface PDFOptions {
    /**
     * Scales the rendering of the web page. Amount must be between `0.1` and `2`.
     * @defaultValue 1
     */
    scale?: number;
    /**
     * Whether to show the header and footer.
     * @defaultValue false
     */
    displayHeaderFooter?: boolean;
    /**
     * HTML template for the print header. Should be valid HTML with the following
     * classes used to inject values into them:
     * - `date` formatted print date
     *
     * - `title` document title
     *
     * - `url` document location
     *
     * - `pageNumber` current page number
     *
     * - `totalPages` total pages in the document
     */
    headerTemplate?: string;
    /**
     * HTML template for the print footer. Has the same constraints and support
     * for special classes as {@link PDFOptions.headerTemplate}.
     */
    footerTemplate?: string;
    /**
     * Set to `true` to print background graphics.
     * @defaultValue false
     */
    printBackground?: boolean;
    /**
     * Whether to print in landscape orientation.
     * @defaultValue = false
     */
    landscape?: boolean;
    /**
     * Paper ranges to print, e.g. `1-5, 8, 11-13`.
     * @defaultValue The empty string, which means all pages are printed.
     */
    pageRanges?: string;
    /**
     * @remarks
     * If set, this takes priority over the `width` and `height` options.
     * @defaultValue `letter`.
     */
    format?: PaperFormat;
    /**
     * Sets the width of paper. You can pass in a number or a string with a unit.
     */
    width?: string | number;
    /**
     * Sets the height of paper. You can pass in a number or a string with a unit.
     */
    height?: string | number;
    /**
     * Give any CSS `@page` size declared in the page priority over what is
     * declared in the `width` or `height` or `format` option.
     * @defaultValue `false`, which will scale the content to fit the paper size.
     */
    preferCSSPageSize?: boolean;
    /**
     * Set the PDF margins.
     * @defaultValue no margins are set.
     */
    margin?: PDFMargin;
    /**
     * The path to save the file to.
     *
     * @remarks
     *
     * If the path is relative, it's resolved relative to the current working directory.
     *
     * @defaultValue the empty string, which means the PDF will not be written to disk.
     */
    path?: string;
}
/**
 * @internal
 */
export interface PaperFormatDimensions {
    width: number;
    height: number;
}
/**
 * @internal
 */
export declare const paperFormats: Record<PaperFormat, PaperFormatDimensions>;
