/**
 * The spec line that first reached each region of a case, as the recorder
 * gathers it from the drains of a cut spec ([`documents.ts`](./documents.ts)).
 *
 * Every drain before a statement hands over the line that ran since the drain
 * before; what it finds that the case had not reached is charged to that line.
 */
import type { ExecutedModule, ObservedCase } from '@variance-authority/sense/journal';
import type { Accumulated } from './accumulated.js';
export interface ReachedLines {
    /**
     * Charge each region a window holds to `line`, unless the case reached it
     * before: under an earlier line, or under none, which is ambient and stays so.
     */
    readonly charge: (key: string, before: Accumulated, modules: readonly ExecutedModule[], line: number) => void;
    /** The lines a case was drained with, as {@link ObservedCase.lines} carries them; none for one never charged. */
    readonly of: (key: string) => ObservedCase['lines'];
}
/** The lines of every case one worker drains, by the key its cases are held under. */
export declare function reachedLines(): ReachedLines;
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