/*******************************************************************************
* Copyright (c) 2010-present Sonatype, Inc.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Stuart McCulloch (Sonatype, Inc.) - initial API and implementation
*******************************************************************************/
package org.eclipse.sisu;
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;
/**
* Marks dependencies that can be {@code null}:<br>
* <br>
*
* <pre>
* @Inject
* @Nullable
* Component optional;
* </pre>
*/
@Target( value = { ElementType.FIELD, ElementType.PARAMETER } )
@Retention( RetentionPolicy.RUNTIME )
@Documented
public @interface Nullable
{
}