/// <reference types="node" />
import { Socket } from 'net';
/**
 * Generates a candidate port range, based on a start port number and target port count.
 * @ignore
 */
export declare const getCandidatePortRange: (startPort: number, portCount: number) => number[];
/**
 * Finds an open port from a range of potential ports.
 * @ignore
 */
export declare const findOpenPort: (ports: number[]) => Promise<number>;
/**
 * Traps socket events that
 */
export declare const socketTrap: (socket: Socket) => void;
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