export type AdaptiveHibernationPolicyOptions = {
    adjustmentStepMs?: number;
    initialIdleMs: number;
    maximumIdleMs?: number;
    maximumWakeToSpawnRatio?: number;
    minimumIdleMs?: number;
    minimumResidenceMs?: number;
    observationsPerAdjustment?: number;
};
export type AdaptiveHibernationPolicyConfiguration = Required<Omit<AdaptiveHibernationPolicyOptions, "initialIdleMs">>;
export type AdaptiveHibernationObservation = {
    residenceMs: number;
    spawnMs?: number;
    wakeMs: number;
};
export type AdaptiveHibernationAdjustmentReason = "checkpoint-residence-valuable" | "insufficient-evidence" | "wake-churn" | "wake-slower-than-spawn";
export type AdaptiveHibernationDecision = {
    action: "decrease" | "hold" | "increase";
    effectiveIdleMs: number;
    evidenceScore: number;
    observations: number;
    previousIdleMs: number;
    reason: AdaptiveHibernationAdjustmentReason;
};
export type AdaptiveHibernationMetrics = {
    adjustments: number;
    decreases: number;
    effectiveIdleMs: number;
    evidenceScore: number;
    increases: number;
    lastReason: AdaptiveHibernationAdjustmentReason;
    observations: number;
};
export type AdaptiveHibernationPolicy = {
    effectiveIdleMs: () => number;
    metrics: () => AdaptiveHibernationMetrics;
    observe: (observation: AdaptiveHibernationObservation) => AdaptiveHibernationDecision;
    reconfigure: (configuration: AdaptiveHibernationPolicyConfiguration) => AdaptiveHibernationMetrics;
};
export declare const createAdaptiveHibernationPolicy: (options: AdaptiveHibernationPolicyOptions) => AdaptiveHibernationPolicy;