import type { Book, BookSummary } from '../domain/book.js';
import type { HttpRetryEvent } from '../http/client.js';
import type { ProgressEvent } from '../service/downloader.js';
import type { Wenku8Client } from '../site/client.js';
export declare function formatProgress(event: ProgressEvent): string;
export declare function formatHttpRetry(event: HttpRetryEvent, label?: string): string;
export declare function printSearchResults(results: BookSummary[]): void;
export declare function printBookInfo(book: Omit<Book, 'volumes' | 'assets'>): void;
export declare function printDownloadSummary(result: {
    book: Book;
    epubPath: string;
    workspaceDirectory: string;
}): void;
export declare function printStatus(data: {
    bookId: number;
    title?: string;
    updatedAt: string;
    counts: Record<string, number>;
}): void;
export declare function printDoctorStatus(status: {
    node: string;
    java: boolean;
    epubcheck: boolean;
}): void;
export declare function printHttpStats(client: Wenku8Client): void;
export declare function title(value: string): string;
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