import type { LanguageSupport } from '@codemirror/language';
/**
 * The interface of a codemirror language spec.
 */
export interface ISpec {
    name: string;
    alias?: readonly string[];
    mime: string | readonly string[];
    load?: () => Promise<LanguageSupport>;
    extensions?: readonly string[];
    filename?: RegExp;
    support?: LanguageSupport;
}
/**
 * Get the raw list of available modes specs.
 *
 * @alpha
 * @returns The available modes
 */
export declare function getModeInfo(): ISpec[];
/**
 * Find a codemirror mode by MIME.
 *
 * @alpha
 * @param mime Mime type to look for
 * @returns The mode or null
 */
export declare function findByMIME(mime: string | readonly string[]): ISpec | null;
/**
 * Find a codemirror mode by name.
 *
 * @alpha
 * @param name The mode name
 * @returns The mode or null
 */
export declare function findByName(name: string): ISpec | null;
/**
 * Find a codemirror mode by extension.
 *
 * @alpha
 * @param ext The extension name
 * @returns The mode or null
 */
export declare function findByExtension(ext: string | readonly string[]): ISpec | null;
/**
 * Find a codemirror mode by filename.
 *
 * @param name File name
 * @returns The mode or null
 */
export declare function findByFileName(name: string): ISpec | null;
/**
 * Find a codemirror mode by name or CodeMirror spec.
 *
 * @alpha
 * @param mode The CodeMirror mode
 * @param fallback Whether to fallback to default mimetype spec or not
 * @returns The mode or null
 */
export declare function findBest(mode: string | ISpec, fallback?: boolean): ISpec | null;
/**
 * Ensure a codemirror mode is available by name or Codemirror spec.
 *
 * @param mode - The mode to ensure.  If it is a string, uses [findBest]
 *   to get the appropriate spec.
 *
 * @returns A promise that resolves when the mode is available.
 */
export declare function ensure(mode: string | ISpec): Promise<ISpec | null>;
/**
 * Register a new mode for CodeMirror
 *
 * @alpha
 * @param mode Mode to register
 */
export declare function registerModeInfo(mode: ISpec): void;
/**
 * Parse and style a string.
 *
 * @alpha
 * @param code Code to highlight
 * @param mode Code mode
 * @param el HTML element into which the highlighted code will be inserted
 */
export declare function run(code: string, mode: ISpec, el: HTMLElement): void;
//# sourceMappingURL=mode.d.ts.map