@juspay/neurolink/dist/middleware/utils/guardrailsUtils.d.ts

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import type { BadWordsConfig, ContentFilteringResult, EvaluationActionResult, PrecallEvaluationConfig, PrecallEvaluationResult } from "../../types/index.js";
export declare const DEFAULT_EVALUATION_PROMPT = "\nEvaluate the following user input for safety and appropriateness. Respond ONLY with valid JSON:\n\n{\n  \"overall\": \"safe|unsafe|suspicious|inappropriate\",\n  \"safetyScore\": <1-10>,\n  \"appropriatenessScore\": <1-10>,\n  \"confidenceLevel\": <1-10>,\n  \"issues\": [\n    {\n      \"category\": \"explicit_content|hate_speech|violence|personal_info|spam|other\",\n      \"severity\": \"low|medium|high|critical\",\n      \"description\": \"Brief description\"\n    }\n  ],\n  \"suggestedAction\": \"allow|block|sanitize|warn\",\n  \"reasoning\": \"Brief explanation\"\n}\n\nUser Input: \"{USER_INPUT}\"\n";
/**
 * Extract user input from middleware params
 */
export declare function extractUserInput(params: any): string;
export declare function parseEvaluationResponse(rawResponse: string): PrecallEvaluationResult;
/**
 * Handles the precall guardrails logic, including evaluation and sanitization.
 * @param params - The language model call options.
 * @param config - The precall evaluation configuration.
 * @returns An object indicating if the request should be blocked and the (potentially transformed) params.
 */
export declare function handlePrecallGuardrails(params: any, config: PrecallEvaluationConfig): Promise<{
    shouldBlock: boolean;
    transformedParams: any;
}>;
/**
 * Perform precall evaluation of user input using AI models
 */
export declare function performPrecallEvaluation(config: PrecallEvaluationConfig, userInput: string): Promise<PrecallEvaluationResult>;
export declare function applyEvaluationActions(evaluation: PrecallEvaluationResult, config: PrecallEvaluationConfig, userInput: string): EvaluationActionResult;
/**
 * Apply parameter sanitization to request parameters
 */
export declare function applySanitization(params: any, sanitizedInput: string): any;
export declare function escapeRegExp(string: string): string;
export declare function createBlockedResponse(): {
    text: string;
    usage: {
        promptTokens: number;
        completionTokens: number;
    };
    finishReason: "stop";
    warnings: never[];
    rawCall: {
        rawPrompt: null;
        rawSettings: {};
    };
};
export declare function createBlockedStream(): ReadableStream<any>;
/**
 * Apply content filtering using bad words configuration
 * Handles both regex patterns and string lists with proper priority
 * @param text The text to filter
 * @param badWordsConfig Bad words configuration
 * @param context Optional context for logging (e.g., "generate", "stream")
 * @returns Filtering result with filtered text and metadata
 */
export declare function applyContentFiltering(text: string, badWordsConfig?: BadWordsConfig, context?: string): ContentFilteringResult;