/**
 * Platform-specific performance metric collection.
 *
 * All ADB shell commands are hardcoded strings — user input (package names)
 * is validated via validatePackageName() before interpolation.
 */
import type { AdbClient } from "../adb/client.js";
import type { DesktopClient } from "../desktop/client.js";
import type { PerfSnapshot, CrashEntry } from "./types.js";
declare function parseMemoryFromDumpsys(output: string): {
    usedMb: number;
    totalMb: number;
} | null;
declare function parseCpuFromDumpsys(output: string, packageName: string): {
    appPercent: number;
} | null;
declare function parseFpsFromGfxinfo(output: string): {
    current: number;
    jankyFrames?: number;
    totalFrames?: number;
} | null;
declare function parseBatteryFromDumpsys(output: string): {
    level: number;
    temperature?: number;
    charging: boolean;
} | null;
declare function parseCrashesFromLogcat(output: string): CrashEntry[];
/**
 * Detect foreground package from Android device.
 */
export declare function detectForegroundPackage(adb: AdbClient): string | undefined;
/**
 * Collect performance snapshot from Android device.
 */
export declare function collectAndroidSnapshot(adb: AdbClient, packageName: string): PerfSnapshot;
/**
 * Collect performance snapshot from Desktop client.
 */
export declare function collectDesktopSnapshot(desktop: DesktopClient): Promise<PerfSnapshot>;
/**
 * Collect performance snapshot for iOS (very limited).
 */
export declare function collectIosSnapshot(): PerfSnapshot;
export { parseMemoryFromDumpsys, parseCpuFromDumpsys, parseFpsFromGfxinfo, parseBatteryFromDumpsys, parseCrashesFromLogcat, };
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