val bundleExtension =
    jarTask.extensions.create(
      BundleTaskExtension.NAME,
      BundleTaskExtension::class.java,
      jarTask,
    )
  bundleExtension.run {
    setClasspath(osgi.compileClasspath + sourceSets["main"].compileClasspath)
    properties.empty()
    bnd(*bndProperties)
  }
  jarTask.doLast(
    "buildBundle",

            }

            SourceSetContainer sourceSets = GradleUtils.getJavaSourceSets(project);
            SourceSet sourceSet = sourceSets.getByName(sourceSetName);
            t.setClasspath(project.files(sourceSet.getRuntimeClasspath()).plus(sourceSet.getCompileClasspath()));

            t.setTargetCompatibility(BuildParams.getRuntimeJavaVersion().getMajorVersion());

        builder.setJar(bundleJar)

        val validClasspath = classpath.filter { it.exists() && (it.isDirectory || isZip(it)) }
        builder.setProperty("project.buildpath", validClasspath.asPath)
        builder.setClasspath(validClasspath.files.toTypedArray())

        val validSourcepath = sourcepath.filter { it.exists() }
        builder.setProperty("project.sourcepath", validSourcepath.asPath)

                    FileCollection testRuntime = sourceSets.getByName(SourceSet.TEST_SOURCE_SET_NAME).getRuntimeClasspath();
                    test.setClasspath(testRuntime.minus(mainRuntime).plus(shadowConfig).plus(shadowJar));
                }
            });
        });
    }

            testTask.setTestClassesDirs(
                yamlTestSourceSet.getOutput().getClassesDirs().plus(yamlCompatTestSourceSet.getOutput().getClassesDirs())
            );
            testTask.setClasspath(
                yamlCompatTestSourceSet.getRuntimeClasspath()
                    // remove the "normal" api and tests
                    .minus(project.files(yamlTestSourceSet.getOutput().getResourcesDir()))