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Brave: Core Libary

There is a newer version: 6.0.3

/*
 * Copyright 2013-2019 The OpenZipkin 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.
 */
package brave.internal;

/**
 * Libraries such as Guice and AutoValue will process any annotation named {@code Nullable}. This
 * avoids a dependency on one of the many jsr305 jars, causes problems in OSGi and Java 9 projects
 * (where a project is also using jax-ws).
 */
@java.lang.annotation.Documented
@java.lang.annotation.Retention(java.lang.annotation.RetentionPolicy.RUNTIME)
public @interface Nullable {
}