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ListProperty.java
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ListProperty.java
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/*
* Copyright 2017 the original author or 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 org.gradle.api.provider;
import javax.annotation.Nullable;
import java.util.List;
/**
* Represents a property whose type is a {@link List} of elements of type {@link T}.
*
* <p>
* You can create a {@link ListProperty} instance using factory method {@link org.gradle.api.model.ObjectFactory#listProperty(Class)}.
* </p>
*
* <p><b>Note:</b> This interface is not intended for implementation by build script or plugin authors.
*
* @param <T> the type of elements.
* @since 4.3
*/
public interface ListProperty<T> extends Provider<List<T>>, HasMultipleValues<T> {
/**
* {@inheritDoc}
*/
@Override
ListProperty<T> empty();
/**
* {@inheritDoc}
*/
@Override
ListProperty<T> value(@Nullable Iterable<? extends T> elements);
/**
* {@inheritDoc}
*/
@Override
ListProperty<T> value(Provider<? extends Iterable<? extends T>> provider);
/**
* {@inheritDoc}
*/
@Override
ListProperty<T> convention(@Nullable Iterable<? extends T> elements);
/**
* {@inheritDoc}
*/
@Override
ListProperty<T> convention(Provider<? extends Iterable<? extends T>> provider);
/**
* {@inheritDoc}
*
* <p>
* This is similar to calling {@link #value(Iterable)} with a <code>null</code> argument.
* </p>
*/
@Override
ListProperty<T> unset();
/**
* {@inheritDoc}
*
* <p>
* This is similar to calling {@link #convention(Iterable)} with a <code>null</code> argument.
* </p>
*/
@Override
ListProperty<T> unsetConvention();
}