/**
 * Copyright (c) 2025 Mihajlo Stojanovski
 * All rights reserved.
 */
import { NormalizedSystemMetrics } from "./collectors/common";
/**
 * TelemetrySampler
 *
 * Collects system metrics at regular intervals during test execution.
 * Provides cross-platform telemetry data for CPU, memory, disk, and network metrics.
 */
export declare class TelemetrySampler {
    private intervalId;
    private metrics;
    private readonly intervalMs;
    private linuxCollector;
    /**
     * Initialize the telemetry sampler
     *
     * @param intervalSeconds - Sampling interval in seconds (default: 3)
     */
    constructor(intervalSeconds?: number);
    /**
     * Start collecting telemetry metrics at the configured interval
     * Performs an immediate sample, then continues sampling on the interval
     */
    start(): void;
    /**
     * Stop collecting telemetry metrics and return all collected data
     *
     * @returns Array of all collected system metrics
     */
    stop(): NormalizedSystemMetrics[];
    /**
     * Safe sampling with deep merge and validation
     */
    private sample;
    private validate;
}
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