import { type Incident, type IncidentKind } from "./incidents.js";
export interface Heal {
    at: string;
    kind: IncidentKind;
    shape: string;
    commit: string;
}
export interface ActiveGroup {
    kind: IncidentKind;
    message: string;
    /** Occurrences in the window AFTER the latest matching heal. */
    count: number;
    latest: Incident;
    /** Healed before, and it came back. */
    recurred: boolean;
    /** Reverted heal attempts on record for this group. */
    failedAttempts: number;
}
/**
 * The heals a checkout has on record. Null for an installed package, which
 * cannot heal at all, so it has none rather than an empty file somewhere.
 */
export declare function readHeals(checkout: string | null): Heal[];
export declare function recordHeal(checkout: string, heal: Heal): void;
/**
 * The groups still exerting pressure: windowed occurrences after the latest
 * matching heal, with the failed-attempt count that says "needs a person".
 */
export declare function activeGroups(incidents: Incident[], heals: Heal[], opts?: {
    sinceDays?: number;
    now?: string;
}): ActiveGroup[];
/**
 * The one group this run works on: the heaviest active group that is not a
 * record of healing itself failing and has not already burned two attempts.
 */
export declare function pickGroup(groups: ActiveGroup[]): {
    picked: ActiveGroup | null;
    skipped: {
        group: ActiveGroup;
        why: string;
    }[];
};
/**
 * Projects whose frozen sets can grade a heal, newest incident first. Used
 * when --project was not given: the replay gate should not be an opt-in
 * while the protocol describes it as part of the bar.
 */
export declare function discoverReplayProjects(incidents: Incident[], limit?: number): Promise<string[]>;
/**
 * Drop incidents older than 90 days once a log exceeds 2000 lines. Called
 * only under the self-heal lock, the one writer allowed to rewrite the files
 * everybody else only appends to, and called once per source: each project
 * keeps its own log and each grows at its own rate.
 */
export declare function compactIncidents(projectDir: string, now?: string): number;