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/*
 * 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 com.facebook.presto.jdbc.internal.spi.api;

import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * Indicates a public API that can change at any time, and has no guarantee of API stability and
 * backward-compatibility.
 *
 * Usage guidelines:
 * 

 * This annotation is used only on public API. Internal interfaces should not use it.
 * This annotation should only be added to new APIs. Adding it to an existing API is
 * considered API-breaking.
 * Removing this annotation from an API gives it stable status.
 * 
 */
@Retention(RetentionPolicy.SOURCE)
@Target({ElementType.ANNOTATION_TYPE, ElementType.CONSTRUCTOR, ElementType.FIELD, ElementType.METHOD, ElementType.PACKAGE, ElementType.TYPE})
@Documented
public @interface Experimental
{
    /**
     * Context information such as links to discussion thread, tracking issue etc.
     */
    String value() default "";
}