import org.gradle.api.file.CopySpec;

import javax.inject.Inject;

/**
 * Allow user to declare a distribution.
 */
public abstract class DefaultDistribution implements Distribution {
    private final String name;
    private final CopySpec contents;

    @Inject
    public DefaultDistribution(String name, CopySpec contents) {
        this.name = name;
        this.contents = contents;
    }

    @Override

        this.objectFactory = objectFactory;
        this.fileOperations = fileOperations;
    }

    @Override
    protected Distribution doCreate(String name) {
        return objectFactory.newInstance(DefaultDistribution.class, name, fileOperations.copySpec());
    }

Class <org.gradle.api.distribution.internal.DefaultDistribution> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (DefaultDistribution.java:0)
Class <org.gradle.api.distribution.internal.DefaultDistributionContainer> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (DefaultDistributionContainer.java:0)