export interface MemoryGuardPolicy {
    enabled: boolean;
    checkIntervalMs: number;
    gcThresholdRatio: number;
    restartThresholdRatio: number;
    restartThresholdWindowMs: number;
    cooldownMs: number;
    parentReserveBytes: number;
    policyLimitBytes: number | null;
}
export interface MemoryGuardWorkerSample {
    workerId: string;
    bytes: number;
    accepted?: boolean;
}
export interface MemoryGuardWorkerAccounting {
    workerId: string;
    bytes: number;
    accepted: boolean;
    allowanceBytes: number;
    excessBytes: number;
}
export interface MemoryGuardDomainSnapshot {
    effectiveLimitBytes: number;
    totalUsageBytes: number;
    parentBytes: number;
    parentReserveBytes: number;
    totalWorkerBytes: number;
    acceptedWorkerCount: number;
    unmanagedBytes: number;
    headroomBytes: number;
    workerBudgetBytes: number;
    perWorkerAllowanceBytes: number;
    hostExcessBytes: number;
    workers: MemoryGuardWorkerAccounting[];
}
export interface MemoryGuardHostTarget {
    kind: "host";
    excessBytes: number;
}
export interface MemoryGuardWorkerTarget {
    kind: "worker";
    workerId: string;
    excessBytes: number;
}
export type MemoryGuardActionTarget = MemoryGuardHostTarget | MemoryGuardWorkerTarget;
export type MemoryGuardNoopReason = "memory_guard_action_noop_unmanaged_or_within_allowance" | "memory_guard_action_noop_unsupported";
export type MemoryGuardDecision = {
    kind: "execute";
    target: MemoryGuardActionTarget;
} | {
    kind: "noop";
    reason: MemoryGuardNoopReason;
} | {
    kind: "revalidated_out";
    reason: "memory_guard_action_revalidated_out";
};
export interface MemoryGuardSchedulerState {
    timerActive: boolean;
    registrationCount: number;
    inProgress: boolean;
    generation: number;
    pendingDeadline: number | null;
    pendingOwner: {
        generation: number;
        token: number;
    } | null;
    deferredDeadline: number | null;
    deferredGeneration: number | null;
    activeGeneration: number | null;
}