import { CandidateHealthTransitions } from "./candidate-health-transitions.js";
import { type HealthProbeLease } from "./health-store.js";
import type { RouterHealthSnapshot } from "./types.js";
export declare class CandidateHealthState extends CandidateHealthTransitions {
    register(index: number, healthKey?: string, family?: string): void;
    available(index: number, healthKey?: string, family?: string): boolean;
    claimProbe(index: number, healthKey?: string, family?: string): boolean;
    probe(index: number, healthKey?: string, family?: string): boolean;
    takeProbeLease(index: number, healthKey?: string, family?: string): HealthProbeLease | undefined;
    releaseProbe(lease: HealthProbeLease | undefined): void;
    snapshot(): RouterHealthSnapshot[];
}