import type { SessionStore } from '../session-store.interface.js';
import type { RedisMetrics, StoreMetrics } from './types.js';
import { pino } from 'pino';
export interface ResourceUsage {
    memory: {
        heapUsed: number;
        heapTotal: number;
        external: number;
        rss: number;
    };
    sessions: {
        count: number;
        avgSize: number;
        totalSize: number;
    };
}
export declare class ResourceTracker {
    private sessionStore;
    private logger;
    constructor(sessionStore: SessionStore, logger?: pino.Logger);
    getResourceUsage(): Promise<ResourceUsage>;
    private getSessionResourceUsage;
    private getRedisSessionUsage;
    updateRedisMetrics(): Promise<RedisMetrics | undefined>;
    private parseInfoValue;
    updateStoreMetrics(): Promise<Partial<StoreMetrics>>;
    checkResourceLimits(maxMemoryMB?: number, _maxSessions?: number): {
        withinLimits: boolean;
        warnings: string[];
    };
    getResourceUtilization(): {
        memory: number;
        sessions: number;
    };
}
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