import { runCommand } from './host-mcp/platform.js';
export interface ProcNode {
    pid: number;
    ppid: number;
    pgid?: number;
    state?: string;
    cmd: string;
}
export declare const BENIGN_CMD_PATTERNS: readonly RegExp[];
export declare function isBenignCmd(cmd: string, patterns?: readonly RegExp[]): boolean;
export declare function parseProcListUnix(stdout: string): ProcNode[];
export declare function parseProcListWin(jsonText: string): ProcNode[];
export declare function collectNonBenignDescendants(all: ProcNode[], rootPid: number, patterns?: readonly RegExp[]): ProcNode[];
export declare function listAllProcesses(): Promise<ProcNode[]>;
export declare function findLiveBackgroundTasks(rootPid: number, patterns?: readonly RegExp[]): Promise<ProcNode[]>;
export declare function parseProcListUnixWithGroup(stdout: string): ProcNode[];
export declare function isGroupLeaderReused(all: ProcNode[], pgid: number): boolean;
export declare function collectNonBenignGroupMembers(all: ProcNode[], pgid: number, patterns?: readonly RegExp[]): ProcNode[];
export declare function findLiveGroupBackgroundTasks(pgid: number, patterns?: readonly RegExp[]): Promise<ProcNode[]>;
export declare function reapProcessTrees(pids: number[], graceMs?: number): Promise<number[]>;
export interface ExitObservableChild {
    readonly exitCode: number | null;
    readonly signalCode: NodeJS.Signals | null;
    once?(event: 'exit', listener: () => void): unknown;
    off?(event: 'exit', listener: () => void): unknown;
}
export declare function childHasExited(child: ExitObservableChild): boolean;
export interface TerminateTreeOptions {
    child?: ExitObservableChild;
}
export declare function terminateWindowsProcessTree(rootPid: number, graceMs: number, options?: TerminateTreeOptions & {
    run?: typeof runCommand;
    sleep?: (ms: number) => Promise<void>;
}): Promise<void>;
export declare function terminateDetachedProcessTree(rootPid: number, graceMs?: number, options?: TerminateTreeOptions): Promise<void>;