import { spawn } from "node:child_process";
import { existsSync } from "node:fs";
import { mkdir, readdir, writeFile } from "node:fs/promises";
import { commandExists, runProcess } from "../process.js";
type NerdFontControllerDeps = {
    commandExists: typeof commandExists;
    existsSync: typeof existsSync;
    fetch: typeof fetch;
    mkdir: typeof mkdir;
    readdir: typeof readdir;
    runProcess: typeof runProcess;
    spawn: typeof spawn;
    writeFile: typeof writeFile;
};
export declare function setNerdFontControllerTestDeps(overrides: Partial<NerdFontControllerDeps>): () => void;
export type NerdFontInstallHost = {
    showToast(message: string, kind: "success" | "error" | "warning" | "info"): void;
    render(): void;
};
export declare const FONT_FAMILY_NAME = "JetBrainsMono Nerd Font Mono";
export declare const FONT_FILE_NAME = "JetBrainsMonoNerdFontMono-Regular.ttf";
export declare const FONT_DOWNLOAD_URL = "https://raw.githubusercontent.com/ryanoasis/nerd-fonts/master/patched-fonts/JetBrainsMono/Ligatures/Regular/JetBrainsMonoNerdFontMono-Regular.ttf";
export declare class NerdFontController {
    private readonly host;
    private ensureStarted;
    constructor(host: NerdFontInstallHost);
    ensureInstalledOnStartup(): void;
    private ensureInstalled;
}
export declare function isJetBrainsNerdFontInstalled(): Promise<boolean>;
export declare function installJetBrainsNerdFont(): Promise<string>;
export declare function userFontInstallPath(): string;
export {};