import { TextDocument, Position, CompletionList, Hover, Range, SymbolInformation, Diagnostic, Location, DocumentHighlight, CodeActionContext, Command, WorkspaceEdit, Color, ColorInformation, ColorPresentation, FoldingRange, CodeAction, DocumentLink } from 'vscode-languageserver-types';
import { LanguageSettings, ICompletionParticipant, DocumentContext } from './cssLanguageTypes';
export declare type Stylesheet = {};
export * from './cssLanguageTypes';
export * from 'vscode-languageserver-types';
export interface LanguageService {
    configure(raw: LanguageSettings): void;
    doValidation(document: TextDocument, stylesheet: Stylesheet, documentSettings?: LanguageSettings): Diagnostic[];
    parseStylesheet(document: TextDocument): Stylesheet;
    doComplete(document: TextDocument, position: Position, stylesheet: Stylesheet): CompletionList;
    setCompletionParticipants(registeredCompletionParticipants: ICompletionParticipant[]): void;
    doHover(document: TextDocument, position: Position, stylesheet: Stylesheet): Hover | null;
    findDefinition(document: TextDocument, position: Position, stylesheet: Stylesheet): Location | null;
    findReferences(document: TextDocument, position: Position, stylesheet: Stylesheet): Location[];
    findDocumentHighlights(document: TextDocument, position: Position, stylesheet: Stylesheet): DocumentHighlight[];
    findDocumentLinks(document: TextDocument, stylesheet: Stylesheet, documentContext: DocumentContext): DocumentLink[];
    findDocumentSymbols(document: TextDocument, stylesheet: Stylesheet): SymbolInformation[];
    doCodeActions(document: TextDocument, range: Range, context: CodeActionContext, stylesheet: Stylesheet): Command[];
    doCodeActions2(document: TextDocument, range: Range, context: CodeActionContext, stylesheet: Stylesheet): CodeAction[];
    /** deprecated, use findDocumentColors instead */
    findColorSymbols(document: TextDocument, stylesheet: Stylesheet): Range[];
    findDocumentColors(document: TextDocument, stylesheet: Stylesheet): ColorInformation[];
    getColorPresentations(document: TextDocument, stylesheet: Stylesheet, color: Color, range: Range): ColorPresentation[];
    doRename(document: TextDocument, position: Position, newName: string, stylesheet: Stylesheet): WorkspaceEdit;
    getFoldingRanges(document: TextDocument, context?: {
        rangeLimit?: number;
    }): FoldingRange[];
}
export declare function getCSSLanguageService(): LanguageService;
export declare function getSCSSLanguageService(): LanguageService;
export declare function getLESSLanguageService(): LanguageService;