export interface FileStat {
    /**
     * The size of the file in bytes.
     */
    size: number;
    /**
     * Whether or not this file is a directory.
     */
    isDirectory: boolean;
}
/**
 * A module for reading and writing files.
 */
export declare const Files: {
    /**
     * Checks if a file exists.
     * @param filename the name of the file to check
     * @returns true if the file exists, false otherwise
     */
    exists: (filename: string) => Promise<boolean>;
    /**
     * Gets stats about a file.
     * @param filename the name of the file to stat
     * @returns the stats of the file, or null if the file doesn't exist
     */
    stat: (filename: string) => Promise<FileStat | null>;
    /**
     * Lists the contents of a directory.
     * @param dirname the name of the directory to read
     */
    readdir: (dirname: string) => Promise<string[] | null>;
    /**
     * Gets the name of the directory containing a file.
     * @param filename the name of the file to get the directory name of
     * @returns the directory name of the file, or null if the file doesn't exist
     */
    dirname: (filename: string) => string | null;
    /**
     * Creates a directory.
     * @param dirname the name of the directory to create
     * @param recursive whether or not to create parent directories if they don't exist
     * @returns true if the directory was created, false otherwise
     */
    mkdir: (dirname: string, recursive?: boolean) => Promise<boolean>;
    /**
     * Removes a file or directory. Directories must be empty to be removed.
     * @param filename the name of the file or directory to remove
     */
    remove: (filename: string) => Promise<void>;
    /**
     * Reads the contents of a file and returns it as a string.
     * @param filename the name of the file to read
     * @returns the contents of the file as a string, or null if the file doesn't exist
     */
    readString: (filename: string) => Promise<string | null>;
    /**
     * Writes a string to a file.
     * @param filename the name of the file to write
     * @param content the content to write to the file
     */
    writeString: (filename: string, content: string) => Promise<void>;
};