/** Bounded retention for complete, closed Event Ledger V3 epochs. */
import { type EventLedgerArchivePolicy } from "../../config.js";
export type EventV3ArchiveClassification = "retained" | "expired" | "over-budget" | "protected-minimum" | "unmanaged" | "symlink" | "unknown";
export interface EventV3ArchiveEntry {
    name: string;
    path: string;
    relative_path: string;
    classification: EventV3ArchiveClassification;
    reason: string;
    action: "keep" | "would-delete" | "deleted";
    bytes: number | null;
    last_modified_at: string | null;
}
export interface EventV3ArchiveAutoCleanResult {
    ran: boolean;
    reason: "swept" | "disabled" | "fresh" | "no-root";
    deleted: number;
    bytes: number;
}
export declare function eventV3ArchivesRoot(repoRoot: string): string;
export declare function inventoryEventV3Archives(repoRoot: string, opts?: {
    now?: Date;
    policy?: EventLedgerArchivePolicy;
}): EventV3ArchiveEntry[];
export declare function cleanEventV3Archives(repoRoot: string, opts?: {
    yes?: boolean;
    now?: Date;
    policy?: EventLedgerArchivePolicy;
}): EventV3ArchiveEntry[];
export declare function autoCleanEventV3Archives(repoRoot: string, opts?: {
    now?: Date;
}): EventV3ArchiveAutoCleanResult;
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