import { EntityContext, Suggestions } from 'dt-sql-parser';
import { editor, IEvent, IRange, languages, Position } from './fillers/monaco-editor-core';
/**
 * A completion item.
 * ICompletionItem is pretty much the same as {@link languages.CompletionItem},
 * with the only difference being that the range and insertText is optional.
 */
export interface ICompletionItem extends Omit<languages.CompletionItem, 'range' | 'insertText'> {
    range?: IRange | languages.CompletionItemRanges;
    insertText?: string;
}
/**
 * ICompletionList is pretty much the same as {@link languages.CompletionList},
 * with the only difference being that the type of suggestion is {@link ICompletionItem}
 */
export interface ICompletionList extends Omit<languages.CompletionList, 'suggestions'> {
    suggestions: ICompletionItem[];
}
/**
 * A service to build completions.
 * @param model monaco TextModel which triggers completion
 * @param position location that triggers completion
 * @param completionContext context of completion
 * @param suggestions suggestions for completion
 */
export type CompletionService = (model: editor.IReadOnlyModel, position: Position, completionContext: languages.CompletionContext, suggestions: Suggestions | null, entities: EntityContext[] | null) => Promise<ICompletionItem[] | ICompletionList>;
export interface CompletionOptions {
    enable: boolean;
    /**
     * Define a service to customize  completionItems.
     * By default, only keyword autocomplete items are included.
     */
    completionService: CompletionService;
    triggerCharacters: string[];
}
export interface ModeConfiguration {
    /**
     * Defines whether the built-in completionItemProvider is enabled.
     * Defaults to true.
     */
    readonly completionItems: CompletionOptions;
    /**
     * Defines whether the built-in diagnostic provider is enabled.
     */
    readonly diagnostics: boolean;
    /**
     * Defines whether the built-in hoverProvider is enabled.
     */
    /**
     * Defines whether the built-in definitions provider is enabled.
     */
    readonly definitions?: boolean;
    /**
     * Defines whether the built-in rename provider is enabled.
     */
    /**
     * Defines whether the built-in references provider is enabled.
     */
    readonly references?: boolean;
}
/**
 * A function to preprocess code.
 * @param code editor value
 */
export type PreprocessCode = (code: string) => string;
export interface LanguageServiceDefaults {
    readonly languageId: string;
    readonly onDidChange: IEvent<LanguageServiceDefaults>;
    readonly modeConfiguration: ModeConfiguration;
    preprocessCode: PreprocessCode | null;
    completionService: CompletionService;
    triggerCharacters: string[];
    setModeConfiguration(modeConfiguration: ModeConfiguration): void;
}
export declare class LanguageServiceDefaultsImpl implements LanguageServiceDefaults {
    private _onDidChange;
    private _modeConfiguration;
    private _languageId;
    private _preprocessCode;
    constructor(languageId: string, modeConfiguration: ModeConfiguration, preprocessCode?: PreprocessCode | null);
    get onDidChange(): IEvent<LanguageServiceDefaults>;
    get languageId(): string;
    get modeConfiguration(): ModeConfiguration;
    get completionService(): CompletionService;
    get triggerCharacters(): string[];
    get preprocessCode(): PreprocessCode | null;
    setModeConfiguration(modeConfiguration: ModeConfiguration): void;
}
/**
 * A built-in completion service.
 * It will invoke when there is no external completionService.
 * It will only build completion items of keywords.
 */
export declare const defaultCompletionService: CompletionService;
export declare const modeConfigurationDefault: Required<ModeConfiguration>;