import { type HealthProbeLease } from "./health-store.js";
import type { RouterHealthRecord, RouterHealthStore } from "./types.js";
export declare abstract class CandidateHealthStoreContext {
    protected abstract clockNow(): number;
    protected abstract read(key: string, decisionNow?: number): RouterHealthRecord | undefined;
    protected readonly now: () => number;
    protected readonly namespace: string;
    protected readonly pruneStaleRecords: boolean;
    protected readonly sharedNamespace: string;
    protected readonly store: RouterHealthStore;
    protected readonly knownKeys: Set<string>;
    protected readonly claimedProbes: Map<string, HealthProbeLease>;
    protected readonly localWriteFailures: Map<string, RouterHealthRecord>;
    protected readonly inactiveLocalWriteFailures: Map<string, true>;
    protected readonly localProbeExpirations: Array<{
        deadline: number;
        key: string;
    }>;
    protected lastValidNow: number | undefined;
    constructor(namespace: string, store?: RouterHealthStore, now?: () => number, sharedNamespace?: string);
    protected keys(index: number, healthKey?: string, family?: string): string[];
    protected recordForKey(key: string, now: number): RouterHealthRecord | undefined;
    protected deleteLocalWriteFailure(key: string): void;
    protected setLocalWriteFailure(key: string, record: RouterHealthRecord, decisionNow?: number): void;
    protected promoteExpiredLocalProbes(now: number): void;
    protected compactLocalProbeExpirations(): void;
}