export interface SpinnerOptions {
    enabled: boolean;
}
export declare function createSpinner(opts: SpinnerOptions): ConvertSpinner;
export declare class ConvertSpinner {
    private spinner;
    constructor(enabled: boolean);
    startUpload(): void;
    startConvert(): void;
    updateProgress(progress: number): void;
    startDownload(): void;
    succeed(message: string): void;
    fail(message: string): void;
    stop(): void;
}