import type { ContentBlock } from '../parse/index.js';
import type { LayoutContinuation } from '../types.js';
import { type ResolvedConfig, type ContentWarning, type VDTDocument } from '../vdt.js';
/** How a poem's fence numbers it: skipped (`numbered=false`), its own
 *  interval (`interval=N`), its first line's number (`lineStart=N`). */
interface PoemNumbering {
    numbered: boolean;
    interval?: number;
    lineStart?: number;
}
/** The numbering a poem's fence asks for. */
export declare function poemNumbering(attrs: Readonly<Record<string, string>> | undefined): PoemNumbering;
/** The `lineNumberOverlap` warnings of the last pass laid out as `doc`. */
export declare function lineNumberWarnings(doc: VDTDocument): ContentWarning[];
/**
 * Count the lines of `doc` and set the numbers of the printed ones in
 * `page.lineNumbers` (with `page.lineNumberMarks`), and the last number in
 * `doc.lastLineNumber`. `blocks` are the parsed content blocks the layout
 * was built from (`VDTBlock.contentIndex` points into them);
 * `continuation.lineNumber` is the number the count goes on from. A
 * vertical document gets no numbers.
 */
export declare function buildLineNumbers(doc: VDTDocument, blocks: readonly ContentBlock[], continuation: Pick<LayoutContinuation, 'lineNumber'> | undefined): void;
/** Recolour the numbers of the pages whose part or section palette
 *  overrides the entry `lineNumbers.color` links to. */
export declare function recolorLineNumbers(doc: VDTDocument, palettes: readonly (Record<string, string> | undefined)[]): void;
/**
 * The number of the last line of verse in `blocks` (#621), counted from
 * `before` as the layout counts it, when `lineNumbers` counts verse: a
 * book laid out one chapter at a time hands it on (`continuationAfter`).
 * Undefined when the count does not depend on the text alone (line
 * numbers off, or every line counted, which only the layout knows), so
 * the caller keeps what it had.
 */
export declare function lastVerseLineNumber(blocks: readonly ContentBlock[], resolved: ResolvedConfig, before: number | undefined): number | undefined;
export {};
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