import type { UpdateHoldoffRecord, UpdateHoldoffStore } from './auto-update-holdoff-deadline.js';
/** File under the DKG home (next to `releases/`) that holds the persisted deadline. */
export declare const UPDATE_HOLDOFF_FILE = ".update-holdoff.json";
/** The fs calls the store makes. Defaults to the daemon's `_autoUpdateIo`. */
export interface UpdateHoldoffFs {
    readFile(path: string, encoding: 'utf-8'): Promise<string>;
    writeFile(path: string, data: string): Promise<unknown>;
    rename(from: string, to: string): Promise<unknown>;
    unlink(path: string): Promise<unknown>;
}
/** Parse a persisted record, throwing on anything that is not a well-formed one. */
export declare function parseUpdateHoldoffRecord(raw: string): UpdateHoldoffRecord;
/**
 * JSON-file store for the rollout deadline. Writes go through the daemon's
 * `writeFileAtomic` (temp sibling + rename), so a crash mid-write never leaves
 * a torn record. `read` returns null when the file is absent and throws when
 * it cannot be read or parsed; the policy logs that and draws a fresh hold.
 */
export declare function createFileUpdateHoldoffStore(path: string, fs?: UpdateHoldoffFs): UpdateHoldoffStore;
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