import { WriteStream } from "tty";
/**
 * A stream that can write logs and print a spinner to the terminal without
 * interfering with each other.
 */
export declare class SpinnerStream {
    private stream;
    private spinner;
    private buffer;
    private interval;
    private isTty;
    constructor(stream: WriteStream, text: string);
    write(log: string): void;
    private updateSpinner;
    stopSpinner(): void;
}