import * as AWSXRay from "aws-xray-sdk";
export declare function isDevelopment(): boolean;
export declare function isStaging(): boolean;
export declare function isProduction(): boolean;
export declare function isLocal(): boolean;
export declare function getEnvValue(key: string): string;
export declare function startXRayTracing(segmentName: string): AWSXRay.Subsegment | undefined;
export declare function endXRayTracing(subsegment: any): void;
export declare const startTimer: () => [number, number];
export declare const endTimer: (start: any, note: any) => void;
/**
 * Safely parses a JSON string, returning a default value if parsing fails
 * @param jsonString The JSON string to parse
 * @param defaultValue The default value to return if parsing fails (default: {})
 * @returns The parsed JSON object or the default value
 */
export declare function safeJsonParse(jsonString: string | null | undefined, defaultValue?: any): any;
/**
 * Masks sensitive data in a string or object to prevent leaking sensitive information in logs
 * @param data The data to mask (string or object)
 * @returns The masked data as a string
 */
export declare function maskSensitiveData(data: any): string;
/**
 * Removes sensitive fields from error data
 * @param data The error data to sanitize
 * @returns Sanitized error data or undefined if no data
 */
export declare function sanitizeErrorData(data: any): any | undefined;
/**
 * Securely handles errors by logging the full error and returning a sanitized error response
 * @param err The error to handle
 * @param includeErrorData Whether to include error data in the response (default: true)
 * @returns A sanitized error response
 */
export declare function secureErrorHandler(err: any, includeErrorData?: boolean): any;