import type { TransformFactory, OutputFormat, resolveConfigs } from 'imagetools-core';
import type { Metadata } from 'sharp';
type MaybePromise<T> = T | Promise<T>;
export type Include = Array<string | RegExp> | string | RegExp;
export type Exclude = Array<string | RegExp> | string | RegExp;
export type DefaultDirectives = URLSearchParams | ((url: URL, metadata: () => MaybePromise<Metadata>) => MaybePromise<URLSearchParams>);
export type ExtendTransforms = (builtins: TransformFactory[]) => TransformFactory[];
export type ExtendOutputFormats = (builtins: Record<string, OutputFormat>) => Record<string, OutputFormat>;
export type ResolveConfigs = typeof resolveConfigs;
export interface VitePluginOptions {
    /**
     * Which paths to include when processing images.
     * @default '**\/*.\{heif,avif,jpeg,jpg,png,tiff,webp,gif\}?*'
     */
    include: Include;
    /**
     * What paths to exclude when processing images.
     * This defaults to the public dir to mirror vites behavior.
     * @default 'public\/**\/*'
     */
    exclude: Exclude;
    /**
     * This option allows you to specify directives that should be applied _by default_ to every image.
     * You can also provide a function, in which case the function gets passed the asset ID and should return an object of directives.
     * This can be used to define all sorts of shorthands or presets.
     *
     * @example
     * ```js
     * import { defineConfig } from 'vite'
     * import { imagetools } from 'vite-imagetools'
     *
     * export default defineConfig({
     *  plugins: [
     *    imagetools({
     *       defaultDirectives: (url) => {
     *        if (url.searchParams.has('spotify')) {
     *           return new URLSearchParams({
     *             tint: 'ffaa22'
     *           })
     *         }
     *         return new URLSearchParams()
     *       }
     *     })
     *    ]
     * })
     * ```
     */
    defaultDirectives?: DefaultDirectives;
    /**
     * You can use this option to extend the builtin list of import transforms.
     * This list will be merged with the builtin transforms before applying them to the input image.
     * @default []
     */
    extendTransforms?: ExtendTransforms;
    /**
     * You can use this option to extend the builtin list of output formats.
     * This list will be merged with the builtin output formats before determining the format to use.
     * @default []
     */
    extendOutputFormats?: ExtendOutputFormats;
    /**
     * You can use this option to override the resolution of configs based on the url parameters
     * @default undefined
     */
    resolveConfigs?: ResolveConfigs;
    /**
     * Whether to remove potentially private metadata from the image, such as exif tags etc.
     * @default true
     */
    removeMetadata: boolean;
    /**
     * Whether to generate named exports.
     * Takes precedence over Vite's `json.namedExports`
     * @default undefined
     */
    namedExports?: boolean;
    /**
     * Whether to cache transformed images and options for caching.
     */
    cache?: CacheOptions;
}
export interface CacheOptions {
    /**
     * Should the image cache be enabled. Default is true
     */
    enabled?: boolean;
    /**
     * Where should the cached images be stored. Default is './node_modules/.cache/imagetools'
     */
    dir?: string;
    /**
     * For how many seconds to keep transformed images cached. Default is undefined, which keeps the images forever.
     */
    retention?: number;
}
export {};