/******************************************************************************
 * Copyright 2024 - 2025 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.
 ******************************************************************************/
/**
 * Base Langium DSL validator (taps into Langium's validator messages to provide better results)
 */
import { type LangiumDocument } from 'langium';
import { Diagnostic } from 'vscode-languageserver-types';
import type { LangiumServicesLike } from '../types.js';
import { AbstractDocumentEvaluator, type EvaluationContext, type FailureAwarenessData } from './document-evaluator.js';
import { type EvaluatorResult } from './evaluator.js';
/**
 * Langium-specific evaluator result data
 */
export interface LangiumEvaluatorResultData extends FailureAwarenessData {
    /**
     * Number of errors
     */
    errors: number;
    /**
     * Number of warnings
     */
    warnings: number;
    /**
     * Number of infos
     */
    infos: number;
    /**
     * Number of hints
     */
    hints: number;
    /**
     * Number of unassigned diagnostics
     */
    unassigned: number;
    /**
     * Length of the response in chars
     */
    responseLength: number;
    /**
     * Raw diagnostic data, same which is used to compute the other values above
     */
    diagnostics: Diagnostic[];
}
export declare class LangiumEvaluator<T extends LangiumServicesLike> extends AbstractDocumentEvaluator<T, LangiumEvaluatorResultData> {
    /**
     * Validate an agent response as if it's a langium program. If we can parse it, we attempt to validate it.
     */
    evaluateDocument(doc: LangiumDocument, ctx: EvaluationContext): EvaluatorResult<LangiumEvaluatorResultData>;
    protected createEmptyResultData(): LangiumEvaluatorResultData;
}
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