import { default as React } from 'react';
import { Crepe } from '@milkdown/crepe';
import { Ctx } from '@milkdown/ctx';
import { GrammarCheckConfig } from './grammarCheck';
export type GrammarCheckFeatureConfig = GrammarCheckConfig;
/**
 * Configure grammar check feature for the editor.
 * Installs the decoration plugin for loading animation.
 *
 * Usage:
 * ```ts
 * configureGrammarCheck(crepe);
 * ```
 */
export declare function configureGrammarCheck(crepe: Crepe): void;
type GrammarToolbarItem = {
    icon: string;
    active: (ctx: Ctx) => boolean;
    onRun: (ctx: Ctx) => void;
};
type ToolbarGroupHandle = {
    addItem: (key: string, item: GrammarToolbarItem) => unknown;
};
/**
 * Creates a grammar check toolbar button configuration.
 * Use this with Crepe's toolbar builder to add the grammar check button.
 *
 * @param onGrammarCheckRef - React ref containing the grammar check callback
 *
 * Usage:
 * ```ts
 * [Crepe.Feature.Toolbar]: {
 *   buildToolbar: (builder) => {
 *     const functionGroup = builder.getGroup('function');
 *     configureGrammarToolbarButton(functionGroup, onGrammarCheckRef);
 *   },
 * },
 * ```
 */
export declare function createGrammarToolbarButton(onGrammarCheckRef: React.RefObject<GrammarCheckConfig['onGrammarCheck'] | undefined>): GrammarToolbarItem;
/**
 * Adds the grammar check button to an existing toolbar group.
 * Convenience wrapper around createGrammarToolbarButton.
 *
 * Usage:
 * ```ts
 * [Crepe.Feature.Toolbar]: {
 *   buildToolbar: (builder) => {
 *     const functionGroup = builder.getGroup('function');
 *     configureGrammarToolbarButton(functionGroup, onGrammarCheckRef);
 *   },
 * },
 * ```
 */
export declare function configureGrammarToolbarButton(toolbarGroup: ToolbarGroupHandle, onGrammarCheckRef: React.RefObject<GrammarCheckConfig['onGrammarCheck'] | undefined>): void;
export {};