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The official MongoDB Apache Kafka Connect Connector.

There is a newer version: 1.13.1

/*
 * Copyright 2008-present MongoDB, Inc.
 *
 * 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.mongodb.kafka.connect.util;

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;

/**
 * Denotes that the annotated program element is made more accessible than otherwise necessary for
 * the purpose of testing. The annotated program element must be used as if it had the {@linkplain
 * #otherwise() intended} access modifier for any purpose other than testing.
 */
@Documented
@Retention(RetentionPolicy.SOURCE)
@Target({ElementType.TYPE, ElementType.CONSTRUCTOR, ElementType.METHOD, ElementType.FIELD})
public @interface VisibleForTesting {
  /** The intended {@link AccessModifier}. */
  AccessModifier otherwise();

  /**
   * A subset of access
   * modifiers that includes only values relevant to be used as the {@linkplain #otherwise()
   * intended} access modifier.
   */
  enum AccessModifier {
    PRIVATE,
    PACKAGE,
    PROTECTED
  }
}