/**
 * Helper functions and monkey patches to the Haven engine
 *
 * @module haven
 * @internal
 */
import "./glk";
/**
 * Start Quixe. Uses the base64StoryFile data (from Inform 7)
 * if a file hasn't been specified
 *
 * @since 3.2.0
 * @internal
 */
export declare function initQuixe(storyfile: string): void;
/**
 * Load the story file.
 *
 * @since 3.2.0
 * @internal
 */
export declare function loadStoryFile(): Promise<number[]> | string;
/**
 * Inform 7 interpreter template calls this to set the story file data.
 *
 * @since 3.2.0
 * @internal
 */
export declare function setBase64StoryFile(data: string): void;
/**
 * Based on Glulx style code, set the basic style of the text being printed.
 */
export declare function setStyle(style: number): void;
/**
 * Changes the appearance of a default style.
 */
export declare function setStyleHint(style: number, hint: number, value: number): void;