/**
 * Resource inspector: find running Elyra instances and their child
 * processes (language servers, headless browsers), with age, CPU time,
 * and memory - so "Elyra uses a lot of memory" reports turn into data.
 *
 * All parsing is pure and unit-tested; the only side effect (running `ps`)
 * lives in the CLI layer.
 */
export interface ProcessRecord {
    pid: number;
    ppid: number;
    /** Elapsed wall-clock seconds since the process started. */
    elapsedSeconds: number;
    /** Accumulated CPU seconds. */
    cpuSeconds: number;
    /** Resident set size in KB. */
    rssKb: number;
    command: string;
}
export interface ElyraInstance {
    process: ProcessRecord;
    children: ProcessRecord[];
    /** RSS of the instance plus all children, in KB. */
    totalRssKb: number;
    warnings: string[];
}
/** Parse `ps` etime format: [[dd-]hh:]mm:ss */
export declare function parseElapsed(value: string): number;
/** Parse `ps` cputime format: [[dd-]hh:]mm:ss(.fraction) */
export declare function parseCpuTime(value: string): number;
/**
 * Parse `ps axo pid=,ppid=,etime=,time=,rss=,command=` output.
 * The first five fields are fixed-position tokens; the rest is the command.
 */
export declare function parsePsOutput(output: string): ProcessRecord[];
/**
 * Does this command line look like a running Elyra agent?
 * Matches the global bin (`elyra`), dist (`@elyracode/coding-agent/dist/cli.js`),
 * and from-source (`coding-agent/src/cli.ts`) forms, while excluding other
 * Elyra-branded apps (elyra-conductor, Elyra.app) and this very inspector.
 */
export declare function isElyraCommand(command: string): boolean;
/** Human label for a known child process, or undefined for uninteresting ones. */
export declare function classifyChild(command: string): string | undefined;
export declare function findElyraInstances(records: ProcessRecord[], selfPid: number): ElyraInstance[];
export declare function formatMb(kb: number): string;
export declare function formatDuration(seconds: number): string;
export declare function formatResourceReport(instances: ElyraInstance[]): string;
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