docs: private File ensureThatArtifactFileIsSet(MavenProject project) {
          Artifact artifact = project.getArtifact();
          if (artifact == null) {
              return null;
          }
          File oldFile = artifact.getFile();
          if (oldFile != null) {
              return oldFile;
          }
          Build build = project.getBuild();
          if (build == null) {
              return null;
          }
          String finalName = build.getFinalName();
          String target = build.getDirectory();
          if (finalName == null || target == null) {
              return null;
          }
          File artifactFile = new File(target, finalName + "." + project.getPackaging());
          if (artifactFile.exists() && artifactFile.isFile()) {
              setArtifactFile(project, artifactFile);
          }
          return null;
      }