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/*
* Copyright 2018, OpenCensus Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* API for distributed tracing.
*
* <p>Distributed tracing, also called distributed request tracing, is a technique that helps
* debugging distributed applications.
*
* <p>Trace represents a tree of spans. A trace has a root span that encapsulates all the spans from
* start to end, and the children spans being the distinct calls invoked in between.
*
* <p>{@link io.opencensus.trace.Span} represents a single operation within a trace.
*
* <p>{@link io.opencensus.trace.Span Spans} are propagated in-process in the {@code
* io.grpc.Context} and between process using one of the wire propagation formats supported in the
* {@code io.opencensus.trace.propagation} package.
*/
// TODO: Add code examples.
package io.opencensus.trace;
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