import type { PackageJson } from "./types-internal.ts";
export declare function formatMs(ms: number): string;
export declare function getFileSize(filePath: string): Promise<{
    size: number;
}>;
export declare function formatLog(message: string): string;
/**
 * Walks up the directory tree to find and parse the nearest package.json.
 * @param startDir The directory to start searching from. Defaults to process.cwd().
 * @returns A promise resolving to the parsed package.json, or null if not found.
 */
export declare function readHostPackageJson<T extends PackageJson>(startDir?: string): Promise<T | null>;
export declare function readPluginPackageJson<T extends PackageJson>(): T | null;
/**
 * Ensures a directory is empty by deleting it entirely and recreating it.
 * @param dirPath The path to the directory
 */
export declare function resetDir(dirPath: string): Promise<void>;