import { Attributes, TimeInput, Link } from "@opentelemetry/api";
/**
 * Several different primitive types are valid as TimeInput, normalize to a number representing epoch milliseconds
 * to simplify communication with the native modules
 *
 * See https://reactnative.dev/docs/native-modules-android#argument-types and https://reactnative.dev/docs/native-modules-ios#argument-types
 */
declare const normalizeTime: (time?: TimeInput) => number;
/**
 * Parsing is handled on the native side, just need to make sure it is always defined
 */
declare const normalizeAttributes: (attributes?: Attributes) => Attributes;
/**
 * Parsing is handled on the native side, just need to make sure it is always defined
 */
declare const normalizeLinks: (links?: Link[]) => Link[];
declare const isAttributes: (attributesOrTimeInput: Attributes | TimeInput | undefined) => attributesOrTimeInput is Attributes;
declare const logWarning: (msg: string) => void;
export { normalizeTime, normalizeAttributes, normalizeLinks, isAttributes, logWarning, };