import { SupportedLanguage } from "./base.js";
/**
 * Language detection result with confidence level.
 */
export interface LanguageDetectionResult {
    language: SupportedLanguage;
    confidence: "high" | "medium" | "low";
    reason: string;
}
/**
 * Detects the programming language of a project based on its directory contents.
 */
export declare class LanguageDetector {
    private cwd;
    constructor(cwd?: string);
    /**
     * Detect the primary language of the project.
     * @returns The detected language and confidence level, or null if no supported language detected
     */
    detect(): LanguageDetectionResult | null;
    /**
     * Check if a specific language is detected in the project.
     */
    private checkLanguage;
    /**
     * Check if a file exists in the project directory.
     */
    private fileExists;
    /**
     * Check if files with specific extensions exist in the current directory.
     */
    private hasFilesWithExtensions;
    /**
     * Get all supported languages.
     */
    static getSupportedLanguages(): SupportedLanguage[];
    /**
     * Check if a language is supported.
     */
    static isSupported(language: string): language is SupportedLanguage;
}
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