spring.cloud.gcp.pubsub.emulator-host is set, spring stream will connect
to a running pub/sub emulator.GoogleStorageProtocolResolverSettings bean
definition.TraceIdLoggingWebMvcInterceptorTraceIdLoggingWebMvcInterceptor.HttpClientParser that fills information for Stackdriver Trace.HttpServerParser that fills information for Stackdriver Trace.HandlerInterceptor that extracts the request
trace ID from the "x-cloud-trace-context" HTTP header and stores it in a thread-local
using TraceIdLoggingEnhancer.setCurrentTraceId(java.lang.String).Copyright © 2018 Pivotal Software, Inc.. All rights reserved.