/**
 * Streaming String Validator
 * Main validation class for streaming data validation
 */
export interface ValidationConfig {
    maxStringLength?: number;
    maxQueryStringLength?: number;
    dangerousPatterns?: RegExp[];
}
export interface ValidationResult {
    isValid: boolean;
    sanitized?: any;
    error?: string;
    processingTime?: number;
}
export declare class StreamingStringValidator {
    private config;
    private maxStringLength;
    private schemaCache;
    private readonly maxCacheSize;
    private readonly dangerousPatternCache;
    constructor(config?: ValidationConfig);
    validateString(input: string, maxLength?: number): Promise<string>;
    /**
     * Fast dangerous pattern detection without full regex compilation
     */
    private hasDangerousPatternsFast;
    validateObject(obj: any, depth?: number, maxDepth?: number): Promise<any>;
    hasDangerousPatterns(input: string): boolean;
    getConfig(): ValidationConfig;
}
export declare const defaultValidator: StreamingStringValidator;
export declare const strictValidator: StreamingStringValidator;
export declare const relaxedValidator: StreamingStringValidator;
export declare function createStreamingValidator(config?: ValidationConfig): StreamingStringValidator;
export default StreamingStringValidator;
//# sourceMappingURL=streamingValidator.d.ts.map