/**
 * The synthetic styles an exercise is set with (#1227): chip styles for its
 * number, blanks, boxes and rings; paragraph styles for its instruction,
 * options and items; frameless boxes. All ids start `__postext-ex`, so no
 * fence picks them by accident and the fallbacks skip them.
 */
import type { CalloutStyleConfig, ChipStyleConfig, ParagraphStyleConfig } from '../types.js';
import type { ResolvedExerciseStyle } from '../defaults/exercises.js';
export declare const EX_PREFIX = "__postext-ex";
/** The ids of an exercise style's synthetic styles. */
export declare function exerciseStyleIds(style: Pick<ResolvedExerciseStyle, 'id'>): {
    frame: string;
    solutionBox: string;
    bankBox: string;
    instruction: string;
    option: string;
    optionUnder: string;
    solutionList: string;
    row: string;
    item: string;
    statement: string;
    pairs: string;
    key: string;
    text: string;
    number: string;
    level: string;
    icon: string;
    blank: string;
    blankAnswer: string;
    choice: string;
    choiceRing: string;
    tick: string;
    tickOn: string;
    rank: string;
    rankAnswer: string;
    word: string;
    answer: string;
    mark: string;
    markOn: string;
};
export type ExerciseStyleIds = ReturnType<typeof exerciseStyleIds>;
/** Room a label (`a)`, `ア`, `(أ)`) takes before an option's text. */
export declare function labelRoomEm(style: ResolvedExerciseStyle): number;
/** The band a shaped number's box takes on its line, in ems of the text
 *  around it (`fontEm`: the number's size in those ems): how tall it is and
 *  how far it reaches below the baseline (#1248). The activity icons beside
 *  it share it. */
export declare function shapedNumberBand(fontEm: number): {
    height: number;
    drop: number;
};
/** The chip styles of an exercise style. */
export declare function exerciseChipStyles(style: ResolvedExerciseStyle): ChipStyleConfig[];
/** The paragraph styles of an exercise style. */
export declare function exerciseParagraphStyles(style: ResolvedExerciseStyle): ParagraphStyleConfig[];
/** The frameless box an exercise is set in when its style names none, and
 *  the boxes of its solutions and word bank. */
export declare function exerciseBoxStyles(style: ResolvedExerciseStyle, solutionBox: string | undefined, bodySizePt: number): CalloutStyleConfig[];
//# sourceMappingURL=styles.d.ts.map