export declare enum FindPortErrorName {
    FIND_PORT_ASYNC_PORT_IS_NOT_NUMBER = "findPortAsyncPortIsNotNumber"
}
export interface FindPortErrorPortIsNotNumber {
    type: FindPortErrorName.FIND_PORT_ASYNC_PORT_IS_NOT_NUMBER;
    port: string;
}
export type FindPortErrorInfo = FindPortErrorPortIsNotNumber;
interface FindPortOptions {
    adjacentPorts?: number;
    promptForPortAsync?(usedPort: number): Promise<string | number>;
    bindPortAsync?(port: number): Promise<number>;
}
export declare function defaultPromptForPortAsync(usedPort: number): Promise<string>;
export declare function defaultBindPortAsync(port: number): Promise<number>;
export declare function findPortAsync(port: number, options?: FindPortOptions): Promise<number>;
export {};