import { CommandContribution, CommandRegistry, Deferred, URI } from '@opensumi/ide-core-browser';
import { IMenuRegistry, MenuContribution } from '@opensumi/ide-core-browser/lib/menu/next';
import { CompareResult, ICompareService } from '../types';
export declare class CompareService implements ICompareService {
    readonly comparing: Map<string, Deferred<CompareResult>>;
    private commandService;
    compare(original: URI, modified: URI, name: string): Promise<CompareResult>;
}
export declare class CompareEditorContribution implements MenuContribution, CommandContribution {
    private compareService;
    private preferenceService;
    registerMenus(menu: IMenuRegistry): void;
    registerCommands(commands: CommandRegistry): void;
}
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