import { type INumberingOptions } from "docx";
/** Match validator viewport: 1 inch page margins (1440 dxa). */
export declare const PAGE_MARGIN_TWIPS: number;
/** 1 inch at 96 DPI — pairs with PAGE_MARGIN_TWIPS in the HTML harness. */
export declare const PAGE_MARGIN_PX = 96;
/** Letter page at 96 DPI (8.5" × 11") — matches Playwright viewport and docx page size. */
export declare const VIEWPORT_WIDTH_PX = 816;
export declare const VIEWPORT_HEIGHT_PX = 1056;
/** Printable content width: 12240 page width − 2880 total margins = 9360 dxa (6.5"). */
export declare const PRINTABLE_CONTENT_WIDTH_TWIPS = 9360;
/** Validator body font is 14px → 10.5pt → 21 half-points. */
export declare const BODY_FONT_HALF_POINTS = 21;
/** Chromium UA `<sup>`/`<sub>` font-size (~83.33% of parent at 14px body). */
export declare const SUPER_SUB_SCRIPT_SIZE_RATIO: number;
/** CSS `vertical-align: super/sub` raise as a fraction of the run font size (px). */
export declare const SUPER_SUB_SCRIPT_RAISE_EM = 0.35;
/** Chromium default unvisited link color (`:link` in HTML harness). */
export declare const HYPERLINK_COLOR = "0000EE";
/** Matches the HTML harness body font (validator.ts wrapHtml). */
export declare const BODY_FONT = "Arial";
/** Default body text color — harness `color: #111`; overrides Word Heading theme blue. */
export declare const BODY_TEXT_COLOR = "111111";
/** Default CSS line-height multiplier (HTML harness + docx body). */
export declare const DEFAULT_LINE_HEIGHT = 1.4;
/** Validator line-height: 1.4 → 14px × 1.4 = 19.6px line box. */
export declare const BODY_LINE_HEIGHT = 336;
/** Browser default `<p>` margin is 1em at the harness body font size (14px). */
export declare const DEFAULT_PARAGRAPH_MARGIN_PX = 14;
/** Blockquote vertical margin (1em at 14px body font in the HTML harness). */
export declare const BLOCKQUOTE_MARGIN_PX = 14;
/** Blockquote horizontal indent per nesting level (HTML padding-left: 12px). */
export declare const BLOCKQUOTE_INDENT_PX = 12;
/** Chromium UA default blockquote side margin (margin: 1em 40px). */
export declare const BLOCKQUOTE_UA_SIDE_MARGIN_PX = 40;
/** Chromium default `<ol>`/`<ul>`: padding-left 40px, text start at 40px from list edge. */
export declare const LIST_LEVEL_LEFT_TWIPS = 600;
/** Hanging indent: marker column ~20px when text starts at 40px (14px font, decimal markers). */
export declare const LIST_HANGING_TWIPS = 300;
/** HTML harness line box height in px (matches line-height: 1.4 on 14px font). */
export declare const BODY_LINE_BOX_PX = 19.6;
/** Browser paragraph line-box height ÷ CSS line box when both super and sub appear on one line. */
export declare const SUPER_SUB_MIXED_LINE_BOX_RATIO: number;
/** EXACT `w:spacing/@w:line` in twips — CSS line box, not Word AUTO multiplier. */
export declare const BODY_LINE_EXACT_TWIPS: number;
/** AT_LEAST `w:spacing/@w:line` in twips from font size (half-points) and line-height multiplier. */
export declare function atLeastLineTwips(fontSizeHalfPoints: number, lineHeight?: number): number;
export declare const HEADING_LEVELS: {
    readonly h1: "Heading1";
    readonly h2: "Heading2";
    readonly h3: "Heading3";
    readonly h4: "Heading4";
    readonly h5: "Heading5";
    readonly h6: "Heading6";
};
/** Font sizes in half-points — match Chromium UA defaults at 14px body (2em, 1.5em, …). */
export declare const HEADING_FONT_HALF_POINTS: Record<keyof typeof HEADING_LEVELS, number>;
/** Chromium UA heading vertical margins as a fraction of heading font size (inline path). */
export declare const HEADING_MARGIN_EM: Record<keyof typeof HEADING_LEVELS, number>;
export declare const BLOCK_TAGS: Set<string>;
/** Maps a CSS `list-style-type` to its numbering reference (see `LIST_STYLE_REFERENCES`). */
export declare const LIST_STYLE_REFERENCES: Record<string, string>;
export declare const NUMBERING_CONFIG: INumberingOptions;
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