import org.gradle.api.internal.artifacts.ivyservice.ivyresolve.parser.data.MavenDependencyKey;
import org.gradle.api.internal.artifacts.ivyservice.ivyresolve.parser.data.PomDependencyMgt;

import java.util.Map;

public interface PomParent {
    /**
     * Gets POM, GAV and custom properties.
     *
     * @return Properties
     */
    Map<String, String> getProperties();

    /**
     * Gets declared dependencies.
     *

        this(resource, moduleIdentifierFactory, Collections.emptyMap());
    }

    public void setPomParent(PomParent pomParent) {
        this.pomParent = pomParent;
        for (Map.Entry<String, String> entry : pomParent.getProperties().entrySet()) {
            maybeSetEffectiveProperty(entry.getKey(), entry.getValue());
        }
    }

import org.gradle.api.internal.artifacts.ivyservice.ivyresolve.parser.data.PomDependencyMgt;

import java.util.Collections;
import java.util.Map;

public class RootPomParent implements PomParent {
    private final Map<String, String> properties = Collections.emptyMap();
    private final Map<MavenDependencyKey, PomReader.PomDependencyData> dependencies = Collections.emptyMap();

Class <org.gradle.api.internal.artifacts.ivyservice.ivyresolve.parser.PomParent> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (PomParent.java:0)
Class <org.gradle.api.internal.artifacts.ivyservice.ivyresolve.parser.PomReader$1> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (PomReader.java:0)