declare module '@sveltejs/vite-plugin-svelte' {
	import type { InlineConfig, ResolvedConfig } from 'vite';
	import type { CompileOptions, Warning, PreprocessorGroup } from 'svelte/compiler';
	import type { Options as InspectorOptions } from '@sveltejs/vite-plugin-svelte-inspector';
	export type Options = Omit<SvelteConfig, 'vitePlugin'> & PluginOptionsInline;

	interface PluginOptionsInline extends PluginOptions {
		/**
		 * Path to a svelte config file, either absolute or relative to Vite root
		 *
		 * set to `false` to ignore the svelte config file
		 *
		 * @see https://vitejs.dev/config/#root
		 */
		configFile?: string | false;
	}

	export interface PluginOptions {
		/**
		 * A `picomatch` pattern, or array of patterns, which specifies the files the plugin should
		 * operate on. By default, all svelte files are included.
		 *
		 * @see https://github.com/micromatch/picomatch
		 */
		include?: Arrayable<string | RegExp>;
		/**
		 * A `picomatch` pattern, or array of patterns, which specifies the files to be ignored by the
		 * plugin. By default, no files are ignored.
		 *
		 * @see https://github.com/micromatch/picomatch
		 */
		exclude?: Arrayable<string | RegExp>;
		/**
		 * Emit Svelte styles as virtual CSS files for Vite and other plugins to process
		 *
		 * @default true
		 */
		emitCss?: boolean;
		/**
		 * Enable or disable Hot Module Replacement.
		 * Deprecated, use compilerOptions.hmr instead!
		 *
		 * @deprecated
		 * @default true for development, always false for production
		 */
		hot?: boolean;

		/**
		 * Some Vite plugins can contribute additional preprocessors by defining `api.sveltePreprocess`.
		 * If you don't want to use them, set this to true to ignore them all or use an array of strings
		 * with plugin names to specify which.
		 *
		 * @default false
		 */
		ignorePluginPreprocessors?: boolean | string[];
		/**
		 * vite-plugin-svelte automatically handles excluding svelte libraries and reinclusion of their dependencies
		 * in vite.optimizeDeps.
		 *
		 * `disableDependencyReinclusion: true` disables all reinclusions
		 * `disableDependencyReinclusion: ['foo','bar']` disables reinclusions for dependencies of foo and bar
		 *
		 * This should be used for hybrid packages that contain both node and browser dependencies, eg Routify
		 *
		 * @default false
		 */
		disableDependencyReinclusion?: boolean | string[];
		/**
		 * Enable support for Vite's dependency optimization to prebundle Svelte libraries.
		 *
		 * To disable prebundling for a specific library, add it to `optimizeDeps.exclude`.
		 *
		 * @default true for dev, false for build
		 */
		prebundleSvelteLibraries?: boolean;
		/**
		 * toggle/configure Svelte Inspector
		 *
		 * @default unset for dev, always false for build
		 */
		inspector?: InspectorOptions | boolean;

		/**
		 * A function to update `compilerOptions` before compilation
		 *
		 * `data.filename` - The file to be compiled
		 * `data.code` - The preprocessed Svelte code
		 * `data.compileOptions` - The current compiler options
		 *
		 * To change part of the compiler options, return an object with the changes you need.
		 *
		 * @example
		 * ```
		 * ({ filename, compileOptions }) => {
		 *   // Dynamically set runes mode per Svelte file
		 *   if (forceRunesMode(filename) && !compileOptions.runes) {
		 *     return { runes: true };
		 *   }
		 * }
		 * ```
		 */
		dynamicCompileOptions?: (data: {
			filename: string;
			code: string;
			compileOptions: Partial<CompileOptions>;
		}) => Promise<Partial<CompileOptions> | void> | Partial<CompileOptions> | void;

		/**
		 * These options are considered experimental and breaking changes to them can occur in any release
		 */
		experimental?: ExperimentalOptions;
	}

	export interface SvelteConfig {
		/**
		 * A list of file extensions to be compiled by Svelte
		 *
		 * @default ['.svelte']
		 */
		extensions?: string[];
		/**
		 * An array of preprocessors to transform the Svelte source code before compilation
		 *
		 * @see https://svelte.dev/docs/svelte/svelte-compiler#PreprocessorGroup
		 */
		preprocess?: Arrayable<PreprocessorGroup>;
		/**
		 * The options to be passed to the Svelte compiler. A few options are set by default,
		 * including `dev` and `css`. However, some options are non-configurable, like
		 * `filename`, `format`, `generate`, and `cssHash` (in dev).
		 *
		 * @see https://svelte.dev/docs/svelte/svelte-compiler#CompileOptions
		 */
		compilerOptions?: Omit<CompileOptions, 'filename' | 'format' | 'generate'>;

		/**
		 * Handles warning emitted from the Svelte compiler
		 *
		 * warnings emitted for files in node_modules are logged at the debug level, to see them run
		 * `DEBUG=vite-plugin-svelte:node-modules-onwarn pnpm build`
		 *
		 * @example
		 * ```
		 * (warning, defaultHandler) => {
		 *   // ignore some warnings
		 *   if (!['foo','bar'].includes(warning.code)) {
		 *     defaultHandler(warning);
		 *   }
		 * }
		 * ```
		 *
		 */
		onwarn?: (warning: Warning, defaultHandler: (warning: Warning) => void) => void;
		/**
		 * Options for vite-plugin-svelte
		 */
		vitePlugin?: PluginOptions;
	}

	/**
	 * These options are considered experimental and breaking changes to them can occur in any release
	 */
	interface ExperimentalOptions {
		/**
		 * send a websocket message with svelte compiler warnings during dev
		 *
		 */
		sendWarningsToBrowser?: boolean;
		/**
		 * disable svelte field resolve warnings
		 *
		 * @default false
		 */
		disableSvelteResolveWarnings?: boolean;

		/**
		 * disable api.sveltePreprocess deprecation warnings
		 *
		 * @default false
		 */
		disableApiSveltePreprocessWarnings?: boolean;

		compileModule?: CompileModuleOptions;
	}

	interface CompileModuleOptions {
		/**
		 * infix that must be present in filename
		 * @default ['.svelte.']
		 */
		infixes?: string[];
		/**
		 * module extensions
		 * @default ['.ts','.js']
		 */
		extensions?: string[];
		include?: Arrayable<string | RegExp>;
		exclude?: Arrayable<string | RegExp>;
	}

	type Arrayable<T> = T | T[];

	export interface VitePreprocessOptions {
		/**
		 * preprocess script block with vite pipeline.
		 * Since svelte5 this is not needed for typescript anymore
		 *
		 * @default false
		 */
		script?: boolean;
		/**
		 * preprocess style blocks with vite pipeline
		 */
		style?: boolean | InlineConfig | ResolvedConfig;
	}
	/**
	 * returns a list of plugins to handle svelte files
	 * plugins are named `vite-plugin-svelte:<task>`
	 *
	 * */
	export function svelte(inlineOptions?: Partial<Options>): import("vite").Plugin[];
	export function vitePreprocess(opts?: VitePreprocessOptions): import("svelte/compiler").PreprocessorGroup;
	export function loadSvelteConfig(viteConfig?: import("vite").UserConfig, inlineOptions?: Partial<Options>): Promise<Partial<SvelteConfig> | undefined>;

	export {};
}

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