import Constants from "expo-constants";import * as Layer from "effect/Layer";import type { HttpClient } from "effect/unstable/http";import { OtlpSerialization, OtlpTracer } from "effect/unstable/observability"; import { hasMobileTracingPublicConfig, resolveCloudPublicConfig } from "../cloud/publicConfig"; export interface MobileTracingConfig {  readonly tracesUrl: string;  readonly tracesDataset: string;  readonly tracesToken: string;} export interface MobileTracingResource {  readonly serviceVersion?: string;  readonly appVariant: string;} export function resolveMobileTracingConfig(): MobileTracingConfig | null {  const config = resolveCloudPublicConfig();  if (!hasMobileTracingPublicConfig(config)) {    return null;  }  const { tracesUrl, tracesDataset, tracesToken } = config.observability;  return { tracesUrl, tracesDataset, tracesToken };} export function makeMobileTracingLayer(  config: MobileTracingConfig | null,  resource: MobileTracingResource,): Layer.Layer<never, never, HttpClient.HttpClient> {  if (config === null) {    return Layer.empty;  }   return OtlpTracer.layer({    url: config.tracesUrl,    headers: {      Authorization: `Bearer ${config.tracesToken}`,      "X-Axiom-Dataset": config.tracesDataset,    },    resource: {      serviceName: "t3-mobile",      serviceVersion: resource.serviceVersion,      attributes: {        "service.runtime": "react-native",        "service.component": "mobile",        "deployment.environment.name": resource.appVariant,      },    },  }).pipe(Layer.provide(OtlpSerialization.layerJson));} export const mobileTracingLayer = makeMobileTracingLayer(resolveMobileTracingConfig(), {  serviceVersion: Constants.expoConfig?.version,  appVariant:    typeof Constants.expoConfig?.extra?.appVariant === "string"      ? Constants.expoConfig.extra.appVariant      : "unknown",});