import type { FontFetcher, Storage } from '../definitions.js';
import type { FontFileData } from '../types.js';
export declare class CachedFontFetcher implements FontFetcher {
    #private;
    constructor({ storage, fetch, readFile, }: {
        storage: Storage;
        fetch: (url: string, init?: RequestInit) => Promise<Response>;
        readFile: (url: string) => Promise<Buffer>;
    });
    fetch({ id, url, init }: FontFileData): Promise<Buffer>;
}