/**
 * @internal
 */
export declare type ValueFactoryApi = {
    preventCache(): void;
};
/**
 * @internal
 */
export declare type ValueFactory = (api: ValueFactoryApi) => Promise<any>;
export declare type Cache = {
    get(key: string): Promise<string>;
    set(key: string, value: string): Promise<void>;
};
/**
 * A PathContext represents a path (relPath) relative to an abolute path (refPath)
 * Note that relPath is not necessary relative, but it is, relPath is relative to refPath.
 */
export declare type PathContext = {
    /** reference path */
    refPath: string;
    /** relative to @refPath */
    relPath: string;
};
export declare type PathHandlers = {
    /** the extension name (or type) of a file (incluting the leading dot, eg. '.svg') */
    extname(filepath: string): string;
    /** relative to absolute module path resolution */
    resolve(pathCx: PathContext): string;
};
/**
 * Used by the library when it does not know how to handle a given file type (eg. `.json` files).
 * see [[moduleHandlers]]
 * @param source The content of the file
 * @param path The path of the file
 * @param options The options
 *
 *
 * **example:**
 *
 * ```javascript
 *	...
 *	moduleHandlers: {
 *		'.json': (source, path, options) => JSON.parse(source),
 *	}
 *	...
 * ```
 */
export declare type ModuleHandler = (extname: string, source: string, path: string, options: Options) => Promise<ModuleExport | null>;
/**
 * Represents a file content and the extension name.
 */
export declare type File = {
    /** The content data */
    content: string | ArrayBuffer;
    /** The content type (file extension name, eg. '.svg' ) */
    extname: string;
};
/**
 * Represents a resource.
 */
export declare type Resource = {
    /** 'abstract' unique id of the resource */
    id: string;
    /** file path of the resource */
    path: string;
    /** asynchronously get the content of the resource */
    getContent: () => Promise<File>;
};
/**
 * CustomBlockCallback function type
 */
export declare type CustomBlockCallback = (component: ModuleExport) => void;
/**
 * A custom block
 */
export declare type CustomBlock = {
    type: string;
    content: string;
    attrs: Record<string, string | true>;
};
/**
 * This just represents a loaded js module exports
 */
export declare type ModuleExport = {};
/**
 * This just represents a loaded js module
 */
export declare type Module = {
    exports: ModuleExport;
};
/**
 * @internal
 */
export declare type LoadingType<T> = {
    promise: Promise<T>;
};
export declare type Options = {
    /**
     * Initial cache that will contain resolved dependencies. All new modules go here.
     * `vue` must initially be contained in this object.
     * [[moduleCache]] is mandatory for the lib. If you do not provide it, the library will create one.
     * It is recommended to provide a prototype-less object (`Object.create(null)`) to avoid potential conflict with `Object` properties (constructor, __proto__, hasOwnProperty, ...).
      ​ *
     * See also [[options.loadModule]].
     *
     * **example:**
     * ```javascript
     *	...
     *	moduleCache: Object.assign(Object.create(null), {
     *		vue: Vue,
     *	}),
     *	...
     * ```
     *
    */
    moduleCache?: Record<string, LoadingType<ModuleExport> | ModuleExport>;
    /**
     * Called by the library when it needs a file.
     * @param path  The path of the file
     * @returns a Promise of the file content (UTF-8)
     *
     * **example:**
     * ```javascript
     *	...
     *	async getFile(url) {
     *
     *		const res = await fetch(url);
     *		if ( !res.ok )
     *			throw Object.assign(new Error(url+' '+res.statusText), { res });
     *		return await res.text();
     *	},
     *	...
     * ```
    */
    getFile(path: string): Promise<File>;
    /**
     * Called by the library when CSS style must be added in the HTML document.
     * @param style The CSS style chunk
     * @param scopeId The scope ID of the CSS style chunk
     * @return
     *
     * **example:**
     * ```javascript
     *	...
     *	addStyle(styleStr) {
     *
     *		const style = document.createElement('style');
     *		style.textContent = styleStr;
     *		const ref = document.head.getElementsByTagName('style')[0] || null;
     *		document.head.insertBefore(style, ref);
     *	},
     *	...
     * ```
    */
    addStyle(style: string, scopeId: string | undefined): void;
    /**
     * Sets the delimiters used for text interpolation within the template.
     * Typically this is used to avoid conflicting with server-side frameworks that also use mustache syntax.
     *
     *	```javascript
     *		...
     *		<script>
     *
     *			// <!--
     *			const vueContent = `
     *				<template> Hello [[[[ who ]]]] !</template>
     *				<script>
     *				export default {
     *					data() {
     *						return {
     *							who: 'world'
     *						}
     *					}
     *				}
     *				</script>
     *			`;
     *			// -->
     *
     *			const options = {
     *				moduleCache: { vue: Vue },
     *				getFile: () => vueContent,
     *				addStyle: () => {},
     *				delimiters: ['[[[[', ']]]]'],
     *			}
     *
     *			const app = Vue.createApp(Vue.defineAsyncComponent(() => window['vue3-sfc-loader'].loadModule('file.vue', options)));
     *			app.mount(document.body);
     *
     *		</script>
     *		...
     *	```
    */
    delimiters?: [string, string];
    /**
     * Additional babel plugins. [TBD]
     *
     *	```javascript
     *		...
     *		...
     *	```
    */
    additionalBabelPlugins?: any[];
    /**
     * Handle additional module types (eg. '.svg', '.json' ). see [[ModuleHandler]]
     *
    */
    handleModule?: ModuleHandler;
    /**
     * [[get]]() and [[set]]() functions of this object are called when the lib needs to save or load already compiled code. get and set functions must return a `Promise` (or can be `async`).
     * Since compilation consume a lot of CPU, is is always a good idea to provide this object.
     *
     * **example:**
     *
     * In the following example, we cache the compiled code in the browser's local storage. Note that local storage is a limited place (usually 5MB).
     * Here we handle space limitation in a very basic way.
     * Maybe (not tested), the following libraries may help you to gain more space [pako](https://github.com/nodeca/pako), [lz-string](https://github.com/pieroxy/lz-string/)
     * ```javascript
     *	...
     *	compiledCache: {
     *		set(key, str) {
     *
     *			// naive storage space management
     *			for (;;) {
     *
     *				try {
     *
     *					// doc: https://developer.mozilla.org/en-US/docs/Web/API/Storage
     *					window.localStorage.setItem(key, str);
     *					break;
     *				} catch(ex) {
     *					// here we handle DOMException: Failed to execute 'setItem' on 'Storage': Setting the value of 'XXX' exceeded the quota
     *
     *					window.localStorage.removeItem(window.localStorage.key(0));
     *				}
     *			}
     *		},
     *		get(key) {
     *
     *			return window.localStorage.getItem(key);
     *		},
     *	},
     *	...
     * ```
     */
    compiledCache?: Cache;
    /**
     * Called by the library when there is somthing to log (eg. scripts compilation errors, template compilation errors, template compilation  tips, style compilation errors, ...)
     * @param type the type of the notification, it respects console property names (error, warn, info).
     * @param args the values to log
     * @return
     *
     * ```javascript
     *	...
     *	log(type, ...args) {
     *
     *		console.log(type, ...args);
     *	},
     *	...
     * ```
     */
    log?(type: string, ...data: any[]): void;
    /**
     * Called when the lib requires a module. Do return `undefined` to let the library handle this.
     * @param path  The path of the module.
     * @param options  The options object.
     * @returns A Promise of the module or undefined
     *
     * [[moduleCache]] and [[Options.loadModule]] are strongly related, in the sense that the result of [[options.loadModule]] is stored in [[moduleCache]].
     * However, [[options.loadModule]] is asynchronous and may help you to handle modules or components that are conditionally required (optional features, current languages, plugins, ...).
     * ```javascript
     *	...
     *	loadModule(path, options) {
     *
     *		if ( path === 'vue' )
     *			return Vue;
     *		},
     *	...
     * ```
     */
    loadModule?(path: string, options: Options): Promise<ModuleExport | undefined>;
    /**
     * Abstact path handling
     *
     */
    pathHandlers: PathHandlers;
    /**
     * Abstact resource handling
     *
     */
    getResource(pathCx: PathContext, options: Options): Resource;
    /**
     * Called for each custom block.
     * @returns A Promise of the module or undefined
     *
     * ```javascript
     *	...
     *	customBlockHandler(block, filename, options) {
     *
     *		if ( block.type !== 'i18n' )
     *			 return;
     *
     *		return (component) => {
     *
     *			component.i18n = JSON.parse(block.content);
     *		}
     *	}
     *	...
     * ```
     */
    customBlockHandler?(block: CustomBlock, filename: string, options: Options): Promise<CustomBlockCallback | undefined>;
};
export declare type LangProcessor = (source: string, preprocessOptions?: any) => Promise<string> | string;