/**
 * Write `contents` to a new file named `name` inside a fresh private temp
 * directory and return the file's path. Release it with removeTempFile.
 */
export declare function writeTempFile(name: string, contents: string): string;
/**
 * Remove a file created by writeTempFile, along with its private directory.
 * Never throws: a failed cleanup is logged, not surfaced to the caller.
 */
export declare function removeTempFile(file: string): void;