/**
 * Reading the exercises of a document (#1225): each `:::exercise` fence's
 * blocks read into an {@link ExerciseModel} — its kind (written or told by
 * its content), instruction, items, answers, solutions and hints. Pure: the
 * blocks are not changed.
 */
import type { ContentBlock } from '../parse/index.js';
import { type ExerciseIssue, type ExerciseKind, type ExerciseModel, type ExerciseOperation } from './types.js';
/** Whether the blocks hold an exercise. */
export declare function hasExercises(blocks: readonly ContentBlock[]): boolean;
/** The index of the marker closing the container opened at `start`. */
export declare function containerEndOf(blocks: readonly ContentBlock[], start: number): number;
/** The pair separator of a `match` item: ` -> `, `→`, `⟶`. */
export declare const PAIR_RE: RegExp;
export declare function exerciseKindOf(type: string | undefined): ExerciseKind | undefined;
/** An operation item (`345 + 278`, `12,5 + 3,75`), its result worked out:
 *  whole numbers and decimals (#1244), the result in the decimal mark
 *  written. A division by a decimal is not read; a decimal dividend's
 *  quotient goes on up to two more decimals while there is a remainder. */
export declare function readOperation(text: string, block: number): ExerciseOperation | undefined;
/** Read every exercise of `blocks`, in order. A `:::solution` or `:::hint`
 *  outside an exercise, and an exercise inside another, are reported. */
export declare function readExercises(blocks: readonly ContentBlock[]): {
    exercises: ExerciseModel[];
    issues: ExerciseIssue[];
};
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