1 /* 2 * Copyright 2017, OpenCensus Authors 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package io.opencensus.common; 18 19 import java.lang.annotation.Documented; 20 import java.lang.annotation.ElementType; 21 import java.lang.annotation.Retention; 22 import java.lang.annotation.RetentionPolicy; 23 import java.lang.annotation.Target; 24 25 /** 26 * Annotates a program element (class, method, package etc) which is internal to OpenCensus, not 27 * part of the public API, and should not be used by users of the OpenCensus library. 28 * 29 * @since 0.5 30 */ 31 @Internal 32 @Retention(RetentionPolicy.SOURCE) 33 @Target({ 34 ElementType.ANNOTATION_TYPE, 35 ElementType.CONSTRUCTOR, 36 ElementType.FIELD, 37 ElementType.METHOD, 38 ElementType.PACKAGE, 39 ElementType.TYPE 40 }) 41 @Documented 42 public @interface Internal {} 43