import type { InlineSpan } from '../parse/types.js';
import type { VDTLine } from '../vdt.js';
import type { DesignTextRun } from './richText.js';
/** The fonts a CJK design text is set in: the element's, and the ones its
 *  inline marks pick (bold, italic). */
export interface CjkDesignFonts {
    normal: string;
    bold: string;
    italic: string;
    boldItalic: string;
}
/** A line of CJK design text: its text, width (a hung mark left out),
 *  runs (absent when the line is one run in the element's font at the
 *  glyphs' own advances) and where it starts in its room. */
export interface CjkDesignLine {
    text: string;
    width: number;
    runs?: DesignTextRun[];
    xOffset: number;
}
/** Whether a design text (one paragraph or line of it) is set by the CJK
 *  composer: the document composes design text (`cjk.composeDesignText`,
 *  on unless a configuration stored before #637 pins it off) and the text
 *  composes as CJK, as a body paragraph would. */
export declare function composesDesignAsCjk(text: string): boolean;
/**
 * Compose one paragraph of design text (no newline in it) with the CJK
 * composer: `spans` in `fonts`, lines `maxWidth` wide less `indents[i]`
 * (the last repeating; the line starts that far in), or one line when
 * `maxWidth` is undefined. `measureIn` measures a run's text as the
 * renderers paint it (tracking included), so a run whose box is its
 * glyphs' advance carries no `inkOffset`. `seams` are where the rule of
 * 二、三日 stops reading (#724).
 */
export declare function composeCjkDesignParagraph(spans: InlineSpan[], fonts: CjkDesignFonts, maxWidth: number | undefined, lineHeightPx: number, letterSpacingPx: number, measureIn: (text: string, font: string) => number, indents?: readonly number[], 
/** Where a number the layout wrote meets a text mirrored from the
 *  document, as offsets into the paragraph (#724,
 *  `MeasureBlockOptions.numberSeams`). */
seams?: readonly number[]): CjkDesignLine[];
/** A composed line as design runs (see the module comment). */
export declare function designLineOf(line: VDTLine, fonts: CjkDesignFonts, measureIn: (text: string, font: string) => number): CjkDesignLine;
//# sourceMappingURL=cjkText.d.ts.map