/**
 * Copyright (c) 2025 Mihajlo Stojanovski
 * All rights reserved.
 */
import type { SupportedPlatform } from "../../common/constants";
/**
 * Normalized Telemetry Schema (Enterprise Compliant)
 * All fields must be present. Missing data = null.
 * Units: MB, GB, Percentage (0-100).
 */
export interface NormalizedSystemMetrics {
    timestamp: number;
    os: SupportedPlatform | null;
    cpu: {
        load1: number;
        load5: number;
        load15: number;
        stealPct: number | null;
        iowaitPct: number | null;
        userPct: number | null;
        systemPct: number | null;
        idlePct: number | null;
    };
    process: {
        rssMb: number;
    };
    memory: {
        totalMb: number;
        freeMb: number;
        pressurePct: number | null;
    };
    disk: {
        freeGb: number | null;
    };
}
/**
 * Partial update from an OS collector.
 * Only specific sections can be updated.
 */
export type MetricsPatch = {
    cpu?: Partial<NormalizedSystemMetrics["cpu"]>;
    memory?: Partial<NormalizedSystemMetrics["memory"]>;
    disk?: Partial<NormalizedSystemMetrics["disk"]>;
    process?: Partial<NormalizedSystemMetrics["process"]>;
};
/**
 * Collects common system metrics and normalizes them.
 */
export declare function collectCommonMetrics(): Promise<NormalizedSystemMetrics>;
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