export interface SanitizerReport {
    originalSize: number;
    sanitizedSize: number;
    removedElements: Array<{
        tag: string;
        reason: string;
    }>;
    removedAttributes: Array<{
        element: string;
        attribute: string;
        value: string;
        reason: string;
    }>;
    suspiciousPatterns: Array<{
        pattern: string;
        matches: string[];
    }>;
    success: boolean;
    errors: string[];
}
export declare class SvgSanitizer {
    private static readonly ALLOWED_ELEMENTS;
    private static readonly ALLOWED_ATTRIBUTES;
    private static readonly SUSPICIOUS_PATTERNS;
    sanitize(svg: string): {
        sanitized: string;
        report: SanitizerReport;
    };
    private sanitizeNode;
    private isUnsafeAttributeValue;
    private checkSuspiciousPatterns;
}
export declare class MessageRenderer {
    private svgSanitizer;
    private reportCallback?;
    constructor(reportCallback?: (report: SanitizerReport) => void);
    private renderSvg;
}