/**
 * Central class for JSON validation with extended debug functions
 * Replaces all distributed isValidJson() implementations in the code
 */
export declare class JsonValidationHelper {
    private static readonly DEBUG_MODE;
    private static stats;
    /**
     * MAIN METHOD: Validates JSON with extended debug functions
     * Replaces all isValidJson() calls in the code
     */
    static isValid(jsonStr: string, context?: string): boolean;
    /**
     * Extended string analysis before parsing
     */
    private static analyzeJsonString;
    /**
     * Detailed error logging with context information
     */
    private static logValidationResult;
    /**
     * Detailed error logging with position and context
     */
    private static logDetailedError;
    /**
     * Analyze context around an error position
     */
    private static logPositionContext;
    /**
     * Extended context logging method (when original string is available)
     */
    static logPositionContextWithString(position: number, jsonStr: string, context?: string): void;
    /**
     * Detects string encoding problems
     */
    private static detectStringEncoding;
    /**
     * Finds suspicious positions in the string
     */
    private static findSuspiciousPositions;
    /**
     * Validates the parsed object
     */
    private static validateParsedObject;
    /**
     * Tracks common error patterns for analysis
     */
    private static trackCommonError;
    /**
     * Cleans a string from common problems before validation
     */
    static sanitizeBeforeValidation(jsonStr: string): string;
    /**
     * Extended validation with automatic sanitization
     */
    static isValidWithSanitization(jsonStr: string, context?: string): {
        isValid: boolean;
        sanitized: string;
        sanitizationApplied: boolean;
    };
    /**
     * Returns validation statistics
     */
    static getStats(): {
        total: number;
        successful: number;
        failed: number;
        successRate: number;
        commonErrors: Array<{
            error: string;
            count: number;
        }>;
    };
    /**
     * Reset statistics (for tests or restart)
     */
    static resetStats(): void;
    /**
     * Debug helper method: Complete analysis of a JSON string
     */
    static debugAnalyze(jsonStr: string, context?: string): void;
}
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