}

    // test a build where projects use different versions of the same plugin

    @Test
    void testThatPluginDependencyThatHasSystemScopeIsResolved() throws Exception {
        MavenSession session = createMavenSession(getProject("project-contributing-system-scope-plugin-dep"));
        MavenProject project = session.getCurrentProject();
        Plugin plugin = project.getPlugin("org.apache.maven.its.plugins:maven-it-plugin");

It contains an `APIRouter` with some admin *path operations* that your organization shares between several projects.

For this example it will be super simple. But let's say that because it is shared with other projects in the organization, we cannot modify it and add a `prefix`, `dependencies`, `tags`, etc. directly to the `APIRouter`:

// CHECKSTYLE_OFF: RegexpHeader
/**
 * Provides classes for managing Maven toolchains, which allow projects to use specific
 * tool installations (like JDKs, compilers, or other build tools) across different
 * environments without hardcoding paths.
 *
 * @since 4.0.0
 */

     * build process of a local project. Hence, the effective model will support the notion of a project directory. To
     * build the model for a POM from the repository, use {@link #setModelSource(ModelSource)} in combination with a
     * {@link FileModelSource} instead.
     *

     */
    List<String> findVersions(Artifact artifact);

    /**
     * Indicates whether this repository is backed by actual projects. For instance, the build reactor or IDE workspace
     * are examples of such repositories.
     *
     * @return {@code true} if the repository is backed by actual projects, {@code false} otherwise.
     * @since 3.0-beta-1
     */
    boolean isProjectAware();

    /**

    @Override
    public int execute(UpgradeContext context) throws Exception {
        context.info("Maven Upgrade Tool - Help");
        context.println();
        context.info("Upgrades Maven projects to be compatible with Maven 4.");
        context.println();
        context.info("Available goals:");
        context.indent();
        context.info("help  - display this help message");

under the License.
-->

<project>
  <modelVersion>4.0.0</modelVersion>

  <parent>
    <groupId>org.apache.maven.its.mng3023</groupId>
    <artifactId>parent</artifactId>
    <version>1</version>
  </parent>

  <artifactId>dependency</artifactId>

  <name>Maven Integration Test :: MNG-3023 :: Dependency</name>
  <description>Test that reactor projects are included in dependency resolution.</description>

under the License.
-->

<project>
  <modelVersion>4.0.0</modelVersion>

  <parent>
    <groupId>org.apache.maven.its.mng3023</groupId>
    <artifactId>parent</artifactId>
    <version>1</version>
  </parent>

  <artifactId>consumer</artifactId>

  <name>Maven Integration Test :: MNG-3023 :: Consumer</name>
  <description>Test that reactor projects are included in dependency resolution.</description>

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.project;

import java.io.File;

/**
 * Exception that occurs when the project list contains duplicate projects instead of ignoring one.
 *
 */
public class DuplicateProjectException extends Exception {
    private final String projectId;

$ cd code
// Create a directory for this project
$ mkdir awesome-project
// Enter into that project directory
$ cd awesome-project
```

</div>

## Create a Virtual Environment { #create-a-virtual-environment }

When you start working on a Python project **for the first time**, create a virtual environment **<abbr title="there are other options, this is a simple guideline">inside your project</abbr>**.

/// tip