export declare class FsHelpers {
    /**
     * Returns the absolute path to the project root.
     * Determined by searching upward for `http-types.config.json`; falls back
     * to `process.cwd()` when no config file is found.
     */
    static getProjectRoot(): string;
    /**
     * Ensures a directory exists, creating it recursively if needed.
     */
    static ensureDir(dirPath: string): void;
    /**
     * Writes content to a file, creating intermediate directories as needed.
     */
    static writeFile(filePath: string, content: string): void;
    /**
     * Resolves a path relative to the project root.
     */
    static fromRoot(...segments: string[]): string;
}
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