/// <reference types="node" />
export interface PlatformConfig {
    fileWatcherDebounce: number;
    portCleanupWait: number;
    processTermSignal: NodeJS.Signals;
    useShell: boolean;
}
export declare class PlatformUtils {
    static readonly isWindows: boolean;
    static readonly isMac: boolean;
    static readonly isLinux: boolean;
    static getConfig(): PlatformConfig;
    /**
     * Touch a file to trigger HMR (cross-platform)
     */
    static touchFile(filePath: string): Promise<void>;
    /**
     * Kill a process (cross-platform)
     */
    static killProcess(pid: number, signal?: NodeJS.Signals): Promise<void>;
    /**
     * Wait for port cleanup (platform-specific timing)
     */
    static waitForPortCleanup(): Promise<void>;
    /**
     * Get file watcher debounce time
     */
    static getFileWatcherDebounce(): number;
    /**
     * Normalize path for the current platform
     */
    static normalizePath(filePath: string): string;
    /**
     * Check if running with elevated privileges
     */
    static hasElevatedPrivileges(): Promise<boolean>;
    /**
     * Get npm/yarn executable with proper extension
     */
    static getNpmExecutable(pm: 'npm' | 'yarn' | 'pnpm'): string;
    /**
     * Get debug info for platform-specific issues
     */
    static getDebugInfo(): Record<string, any>;
}
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