/**
 * Response Validator for MCP Tool Testing
 * Validates that tool responses are actually functional, not just present
 *
 * @internal
 * @module assessment/ResponseValidator
 */
import { CompatibilityCallToolResult, Tool } from "@modelcontextprotocol/sdk/types.js";
import { ResponseMetadata } from "../../lib/assessmentTypes.js";
export interface ValidationResult {
    isValid: boolean;
    isError: boolean;
    confidence: number;
    issues: string[];
    evidence: string[];
    classification: "fully_working" | "partially_working" | "connectivity_only" | "broken" | "error";
    /** Metadata about response content types (optional, for enhanced tracking) */
    responseMetadata?: ResponseMetadata;
}
export interface ValidationContext {
    tool: Tool;
    input: Record<string, unknown>;
    response: CompatibilityCallToolResult;
    scenarioCategory?: "happy_path" | "edge_case" | "boundary" | "error_case";
}
export declare class ResponseValidator {
    /**
     * Safely extract content array from response using Zod validation.
     * Falls back to undefined if content is not a valid array.
     */
    private static safeGetContentArray;
    /**
     * Safely parse MCP tool call result using Zod validation.
     * Returns validated data or undefined if validation fails.
     */
    private static safeGetMCPResponse;
    /**
     * Extract response metadata including content types, structuredContent, and _meta
     */
    static extractResponseMetadata(context: ValidationContext): ResponseMetadata;
    /**
     * Validate a tool response comprehensively
     */
    static validateResponse(context: ValidationContext): ValidationResult;
    /**
     * Check if error is a business logic error (not a tool failure)
     * These errors indicate the tool is working correctly but rejecting invalid business data
     */
    static isBusinessLogicError(context: ValidationContext): boolean;
    /**
     * Calculate confidence score for a set of validation results
     */
    static calculateOverallConfidence(results: ValidationResult[]): number;
}
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