/**
 * Detector for mixed content vulnerabilities (HTTP resources in HTTPS context)
 */
import { BaseDetector } from "./BaseDetector";
import { Vulnerability } from "../types/vulnerability.types";
import { ScanResult } from "../../../types";
export declare class MixedContentDetector extends BaseDetector {
    private static readonly MIXED_CONTENT_PATTERNS;
    constructor();
    detect(scanResult: ScanResult): Promise<Vulnerability[]>;
    /**
     * Validate if a mixed content match is actually risky
     */
    private validateMixedContentMatch;
    /**
     * AST-based analysis for mixed content detection
     */
    private analyzeASTForMixedContent;
    /**
     * Find string literals containing HTTP URLs
     */
    private findHTTPStringLiterals;
    /**
     * Find JSX attributes with HTTP URLs
     */
    private findJSXHTTPAttributes;
    /**
     * Assess the risk of mixed content for a string literal
     */
    private assessMixedContentRisk;
    /**
     * Determine how a URL is being used
     */
    private determineURLUsageContext;
    /**
     * Analyze JSX HTTP attribute
     */
    private analyzeJSXHTTPAttribute;
    /**
     * Get URL from JSX attribute
     */
    private getJSXAttributeURL;
    /**
     * Get risk level for JSX attribute
     */
    private getJSXAttributeRiskLevel;
    /**
     * Extract URL from pattern match
     */
    private extractURLFromMatch;
    /**
     * Check if HTTP context is allowed (development/localhost)
     */
    private isAllowedHTTPContext;
    /**
     * Check if URL is a standard XML namespace declaration
     */
    private isXMLNamespace;
    /**
     * Get variable name for string literal
     */
    private getVariableNameForStringLiteral;
    /**
     * Check if variable name is URL-related
     */
    private isURLRelatedVariable;
    /**
     * Check if property name is URL-related
     */
    private isURLRelatedProperty;
    /**
     * Get risk level based on usage context
     */
    private getRiskLevel;
    /**
     * Get confidence level based on usage context
     */
    private getConfidenceLevel;
    /**
     * Extract function name from AST node context
     */
    private extractFunctionFromAST;
}