import CodeMirror from 'codemirror';
import 'codemirror/addon/hint/show-hint.js';
import type { PartData, CompletionItemData, SpanData, CompletionSuggestionData } from '../interfaces/protocol';
import type { Connection } from './connection';
interface CompletionOptionalData {
    readonly suggestion?: CompletionSuggestionData;
    readonly commitChars: ReadonlyArray<string>;
}
export declare class Hinter<TExtensionServerOptions, TSlowUpdateExtensionData> {
    #private;
    constructor(cm: CodeMirror.Editor, connection: Connection<TExtensionServerOptions, TSlowUpdateExtensionData>);
    start(list: ReadonlyArray<CompletionItemData>, span: SpanData, options: CompletionOptionalData): void;
    readonly showTip: (index: number, parts: readonly PartData[]) => void;
    destroy(): void;
}
export {};