import * as _unocss_core from '@unocss/core';
import { Awaitable, CSSObject } from '@unocss/core';
import { IconifyJSON } from '@iconify/types';
import { CustomIconLoader, InlineCollection, IconCustomizations, UniversalIconLoader, IconifyLoaderOptions } from '@iconify/utils';
import { encodeSvgForCss } from '@iconify/utils/lib/svg/encode-svg-for-css';

interface IconMeta {
    collection: string;
    name: string;
    svg: string;
    mode?: IconsOptions['mode'];
    /**
     * @deprecated renamed to `name`
     */
    icon: string;
}
interface IconsOptions {
    /**
     * Scale related to the current font size (1em).
     *
     * @default 1
     */
    scale?: number;
    /**
     * Mode of generated CSS icons.
     *
     * - `mask` - use background color and the `mask` property for monochrome icons
     * - `background-img` - use background image for the icons, colors are static
     * - `auto` - smartly decide mode between `mask` and `background-img` per icon based on its style
     *
     * @default 'auto'
     * @see https://antfu.me/posts/icons-in-pure-css
     */
    mode?: 'mask' | 'bg' | 'auto';
    /**
     * Class prefix for matching icon rules.
     *
     * @default `i-`
     */
    prefix?: string | string[];
    /**
     * Extra CSS properties applied to the generated CSS
     *
     * @default {}
     */
    extraProperties?: Record<string, string>;
    /**
     * Emit warning when missing icons are matched
     *
     * @default false
     */
    warn?: boolean;
    /**
     * `@iconify-json` collections to use (will be also auto installed when missing and `autoInstall` enabled).
     *
     * This option should be used only when there are new `@iconify-json` collections not listed in the default icons preset collection names.
     *
     * Adding external collections will not work, you should use `FileSystemIconLoader` from
     * `@iconify/utils/lib/loader/fs` or `createExternalPackageIconLoader` from
     * `@iconify/utils/lib/loader/external-pkg` instead.
     *
     * @see https://unocss.dev/presets/icons#filesystemiconloader
     * @see https://unocss.dev/presets/icons#externalpackageiconloader
     */
    iconifyCollectionsNames?: string[];
    /**
     * In Node.js environment, the preset will search for the installed iconify dataset automatically.
     * When using in the browser, this options is provided to provide dataset with custom loading mechanism.
     */
    collections?: Record<string, (() => Awaitable<IconifyJSON>) | undefined | CustomIconLoader | InlineCollection>;
    /**
     * Rule layer
     *
     * @default 'icons'
     */
    layer?: string;
    /**
     * Custom icon customizations.
     */
    customizations?: Omit<IconCustomizations, 'additionalProps' | 'trimCustomSvg'>;
    /**
     * Auto install icon sources package when the usages is detected
     *
     * Only effective in Node.js environment.
     *
     * @default false
     */
    autoInstall?: boolean;
    /**
     * Path to resolve the iconify collections in Node.js environment.
     *
     * @default process.cwd()
     */
    collectionsNodeResolvePath?: string | string[];
    /**
     * Custom icon unit.
     *
     * @default `em`
     */
    unit?: string;
    /**
     * Load icons from CDN. Should starts with `https://` and ends with `/`
     *
     * Recommends:
     * - https://esm.sh/
     * - https://cdn.skypack.dev/
     */
    cdn?: string;
    /**
     * Custom fetch function to provide the icon data.
     */
    customFetch?: (url: string) => Promise<any>;
    /**
     * Processor for the CSS object before stringify
     */
    processor?: (cssObject: CSSObject, meta: Required<IconMeta>) => void;
}

declare const _default: string[];

/**
 * API for preset-icons
 */
interface IconsAPI {
    encodeSvgForCss: typeof encodeSvgForCss;
    parseIconWithLoader: typeof parseIconWithLoader;
    /**
     * This API only available for preset-icons created on Node.js environment
     */
    createNodeLoader?: () => Promise<UniversalIconLoader | undefined>;
}
declare function createPresetIcons(lookupIconLoader: (options: IconsOptions) => Promise<UniversalIconLoader>): _unocss_core.PresetFactory<object, IconsOptions>;
declare function combineLoaders(loaders: UniversalIconLoader[]): UniversalIconLoader;
declare function createCDNFetchLoader(fetcher: (url: string) => Promise<any>, cdnBase: string, cacheMap?: Map<string, IconifyJSON | Promise<IconifyJSON>>): UniversalIconLoader;
declare function getEnvFlags(): {
    isNode: false | (NodeJS.WriteStream & {
        fd: 1;
    });
    isVSCode: boolean;
    isESLint: boolean;
};
declare function parseIconWithLoader(body: string, loader: UniversalIconLoader, options?: IconifyLoaderOptions, safeCollectionsNames?: string[]): Promise<{
    collection: string;
    name: string;
    svg: string;
} | undefined>;

export { type IconsAPI, type IconsOptions, combineLoaders, createCDNFetchLoader, createPresetIcons, getEnvFlags, _default as icons, parseIconWithLoader };