export type RunningWebPort = {
    port: number;
    host: string;
    url: string;
    command: string | null;
    command_line: string | null;
    launch_command: string | null;
    cwd: string | null;
    started_at: string | null;
    uptime_seconds: number | null;
    pid: number | null;
};
export declare function normalizePackageManagerCommand(commandLine: string): string | null;
export declare function findPackageManagerLaunchCommand(pid: number | null): string | null;
export declare function parseProcessElapsedSeconds(value: string): number | null;
export declare function listRunningWebPorts(): Promise<RunningWebPort[]>;
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