/**
 * `aidlc roadmap assign-milestones` — the worklist an agent drafts from, and the writes it
 * asks for (roadmap-milestones/AC-22..AC-25).
 *
 * The drafting is a judgment, so it stays with the agent and the person who reviews the diff;
 * this module only lists what is Unassigned and writes `milestone:` lines it was given, after
 * checking every one. Nothing is committed: the diff is the review.
 *
 * @module
 */
import { type Milestone } from './milestones.js';
import { type RoadmapItem } from './paths.js';
/**
 * Set an item's `milestone:` line, editing the frontmatter as text as `setRunLine` does: a
 * trailing comment is kept, and with no line one is added as the last frontmatter line.
 *
 * @returns The new contents, or null when there is no frontmatter.
 */
export declare function setMilestoneLine(raw: string, value: string): string | null;
export type Worklist = {
    ok: true;
    milestones: Milestone[];
    items: {
        item: RoadmapItem;
        value: unknown;
    }[];
} | {
    ok: false;
    detail: string;
};
/** The milestones and every Unassigned open item, with the value it carries now (AC-22). */
export declare function assignWorklist(root: string): Worklist;
export type AssignPlan = {
    ok: true;
    writes: {
        item: RoadmapItem;
        value: string;
        contents: string;
    }[];
} | {
    ok: false;
    errors: string[];
};
/** Check every `<item>=<id|none>` pair; any bad pair means no write at all (AC-24, AC-25). */
export declare function planAssign(root: string, pairs: readonly string[]): AssignPlan;
export declare function applyAssign(plan: Extract<AssignPlan, {
    ok: true;
}>): void;
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