/******************************************************************************
 * Copyright 2023 TypeFox GmbH
 * This program and the accompanying materials are made available under the
 * terms of the MIT License, which is available in the project root.
 ******************************************************************************/
import type { AstNode } from 'langium';
import type { SModelElement } from 'sprotty-protocol';
import { Diagnostic } from 'vscode-languageserver';
import type { GeneratorContext } from './diagram-generator.js';
import type { LangiumSprottyServices } from './sprotty-services.js';
/**
 * Used to add diagnostic markers to the generated diagram.
 */
export interface DiagnosticMarkerProvider {
    addDiagnosticMarker(element: SModelElement, source: AstNode, ctx: GeneratorContext): void;
}
export interface SDiagnosticMarker extends SModelElement {
    issues: LangiumSprottyIssue[];
}
export interface LangiumSprottyIssue {
    message: string;
    severity: 'error' | 'warning' | 'info';
}
export declare class DefaultDiagnosticMarkerProvider implements DiagnosticMarkerProvider {
    constructor(_services: LangiumSprottyServices);
    addDiagnosticMarker(element: SModelElement, source: AstNode, ctx: GeneratorContext): void;
    protected getDiagnostics(source: AstNode): Diagnostic[];
}
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