export interface CapsuleCgroupLimits {
    cpuMax: string;
    memoryMax: string;
    pidsMax: string;
}
export declare const CGROUP_PERIOD_US = 100000;
export declare const CAPSULE_PIDS_MAX = 256;
export declare const MEMORY_OVERHEAD_MB = 128;
export declare function cgroupLimitsFor(quota: {
    maxCpuPercent: number;
    maxMemoryMb: number;
}): CapsuleCgroupLimits;
export declare function probeCapsuleCgroup(root: string | undefined | null): string | null;
export declare function capsuleCgroupDir(root: string, deployId: string): string;
export interface CapsuleCgroupUsage {
    cpuUsageSeconds: number;
    memoryBytes: number;
    nrThrottled: number;
    throttledSeconds: number;
}
export declare function readCapsuleCgroupUsage(root: string, deployId: string): CapsuleCgroupUsage | null;
export declare function joinManagerCgroup(root: string): boolean;
export declare function applyCapsuleCgroup(root: string, deployId: string, pid: number, limits: CapsuleCgroupLimits): boolean;
export declare function removeCapsuleCgroup(root: string, deployId: string): void;
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