export interface FindFreePortsOptions {
    startPort?: number;
    endPort?: number;
    jobCount?: number;
    isFree?: (port: number) => Promise<boolean>;
}
export declare function findFreePorts(count?: number, { endPort, startPort, jobCount, isFree }?: FindFreePortsOptions): Promise<number[]>;
export declare namespace findFreePorts {
    var findFreePorts: typeof import(".").findFreePorts;
    var isFreePort: typeof import(".").isFreePort;
}
export declare function isFreePort(port: number): Promise<boolean>;
export default findFreePorts;
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