/*!--------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See LICENSE in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
import { CancellationToken, Hover, HoverParams } from 'vscode-languageserver';
import { ExtendedParams } from '../ExtendedParams';
import { ProviderBase } from './ProviderBase';
export declare class KeyHoverProvider extends ProviderBase<HoverParams & ExtendedParams, Hover | undefined, never, never> {
    on(params: HoverParams & ExtendedParams, token: CancellationToken): Promise<Hover | undefined>;
}