import type { CommandModule } from 'yargs';
interface PreviewArgs {
    synth?: boolean;
    outDir?: string;
    baseline?: string;
    writeBaseline?: boolean;
    output?: 'text' | 'json';
    failOn?: 'never' | 'review' | 'block';
}
export declare const previewCommand: CommandModule<Record<string, unknown>, PreviewArgs>;
export {};