import type { LineNumbersConfig, LineNumbersCount, LineNumbersMultiColumn, LineNumbersPosition, LineNumbersRestart, ResolvedBodyTextConfig, ResolvedLineNumbersConfig } from '../types.js';
/** Line numbers (#621): off; when on, every fifth line of verse numbered
 *  in the outer margin, an em from the text, at 0.8 of the body size. */
export declare const DEFAULT_LINE_NUMBERS_CONFIG: Omit<ResolvedLineNumbersConfig, 'fontFamily' | 'fontWeight' | 'color'>;
export declare const LINE_NUMBERS_COUNTS: readonly LineNumbersCount[];
export declare const LINE_NUMBERS_RESTARTS: readonly LineNumbersRestart[];
export declare const LINE_NUMBERS_POSITIONS: readonly LineNumbersPosition[];
export declare const LINE_NUMBERS_MULTI_COLUMN: readonly LineNumbersMultiColumn[];
export declare const LINE_NUMBERS_ALIGNS: readonly ResolvedLineNumbersConfig['align'][];
/** The restart an unset `restart` takes: each poem when verse is
 *  counted, each page when every line is. */
export declare function defaultLineNumbersRestart(count: LineNumbersCount): LineNumbersRestart;
/** `lineNumbers` in full; the font, weight and colour default to the
 *  body's. */
export declare function resolveLineNumbersConfig(partial: LineNumbersConfig | undefined, bodyText: ResolvedBodyTextConfig): ResolvedLineNumbersConfig;
/** `lineNumbers` without the fields that hold their default; undefined
 *  when none is left. The font, weight and colour are kept as written. */
export declare function stripLineNumbersDefaults(lineNumbers?: LineNumbersConfig): LineNumbersConfig | undefined;
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