List<PluginExecution> src = source.getExecutions();
        if (!src.isEmpty()) {
            List<PluginExecution> tgt = target.getExecutions();
            Map<Object, PluginExecution> merged = new LinkedHashMap<>((src.size() + tgt.size()) * 2);

            for (PluginExecution element : src) {

                    }
                    plugin = existing;
                } else {
                    plugins.put(plugin, plugin);
                }

                PluginExecution execution = new PluginExecution();
                execution.setId(getExecutionId(plugin, gs.goal));
                execution.setPhase(phase);
                execution.setPriority(i - mojos.size());

import java.io.InputStream;
import java.util.Collections;

import org.apache.maven.api.model.Build;
import org.apache.maven.api.model.Model;
import org.apache.maven.api.model.Plugin;
import org.apache.maven.api.model.PluginExecution;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;

class MavenModelVersionTest {

    private static Model model;

 */
package org.apache.maven.api;

import java.util.Optional;

import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;
import org.apache.maven.api.model.PluginExecution;
import org.apache.maven.api.plugin.descriptor.MojoDescriptor;
import org.apache.maven.api.xml.XmlNode;

/**
 * A {@code MojoExecution} represents a single execution of a Maven Plugin during a given build.

            }
        };
    }

    @Override
    public PluginExecution getModel() {
        return delegate.getPlugin().getExecutions().stream()
                .filter(pe -> Objects.equals(pe.getId(), getExecutionId()))
                .findFirst()
                .map(org.apache.maven.model.PluginExecution::getDelegate)
                .orElse(null);
    }

    @Override

import javax.inject.Singleton;

import java.util.List;

import org.apache.maven.model.Build;
import org.apache.maven.model.Model;
import org.apache.maven.model.Plugin;
import org.apache.maven.model.PluginExecution;
import org.apache.maven.model.PluginManagement;
import org.apache.maven.model.building.ModelBuildingRequest;
import org.apache.maven.model.building.ModelProblemCollector;
import org.codehaus.plexus.util.xml.Xpp3Dom;

                target.setPlugins(result);
            }
        }

        @Override
        protected void mergePluginExecution(
                PluginExecution target, PluginExecution source, boolean sourceDominant, Map<Object, Object> context) {
            super.mergePluginExecution(target, source, sourceDominant, context);

import java.io.File;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.maven.model.Build;
import org.apache.maven.model.Plugin;
import org.apache.maven.model.PluginExecution;
import org.apache.maven.project.MavenProject;
import org.apache.maven.project.inheritance.AbstractProjectInheritanceTestCase;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.condition.DisabledOnOs;

        List<PluginExecution> pluginExecutions = plugin.getExecutions();
        PluginExecution pluginExecution = pluginExecutions.stream()
                .filter(pe -> pe.getId().equals(expectedId))
                .findFirst()
                .orElse(null);
        assertNotNull(pluginExecution, "Wrong id for \"" + artifactId + "\"");

        }
    }

    /**
     * KeyComputer for PluginExecution
     */
    private class ExecutionKeyComputer implements KeyComputer<PluginExecution> {
        @Override
        public Object key(PluginExecution pluginExecution) {
            return getPluginExecutionKey(pluginExecution);
        }
    }

    /**
     * KeyComputer for Exclusion
     */