@aws-lambda-powertools/tracer/lib/cjs/provider/utilities.d.ts

The tracer package for the Powertools for AWS Lambda (TypeScript) library

import { URL } from 'node:url';
import type { Segment, Subsegment } from 'aws-xray-sdk-core';
import type { DiagnosticsChannel } from 'undici-types';
import type { HttpSubsegment } from '../types/ProviderService.js';
/**
 * The `fetch` implementation based on `undici` includes the headers as an array of encoded key-value pairs.
 * This function finds the header with the given key and decodes the value.
 *
 * The function walks through the array of encoded headers and decodes the key of each pair.
 * If the key matches the given key, the function returns the decoded value of the next element in the array.
 *
 * @param encodedHeaders The array of encoded headers
 * @param key The key to search for
 */
declare const findHeaderAndDecode: (encodedHeaders: Uint8Array[], key: string) => string | null;
/**
 * Type guard to check if the given subsegment is an `HttpSubsegment`
 *
 * @param subsegment The subsegment to check
 */
declare const isHttpSubsegment: (subsegment: Segment | Subsegment | undefined) => subsegment is HttpSubsegment;
/**
 * Convert the origin url to a URL object when it is a string and append the path if provided
 *
 * @param origin The request object containing the origin url and path
 */
declare const getRequestURL: (request: DiagnosticsChannel.Request) => URL | undefined;
export { findHeaderAndDecode, isHttpSubsegment, getRequestURL };
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