} else {
            SourceSet main = getSourceSets().getByName(SourceSet.MAIN_SOURCE_SET_NAME);
            JvmPluginsHelper.createDocumentationVariantWithArtifact(
                main.getJavadocElementsConfigurationName(),
                null,
                JAVADOC,
                Collections.emptySet(),
                main.getJavadocJarTaskName(),

        }
    }

    @Override
    public void withJavadocJar() {
        if (javadocElements != null) {
            return;
        }
        this.javadocElements = JvmPluginsHelper.createDocumentationVariantWithArtifact(
            sourceSet.getJavadocElementsConfigurationName(),
            SourceSet.isMain(sourceSet) ? null : name,
            JAVADOC,
            capabilities,

Method <org.gradle.api.plugins.internal.JvmPluginsHelper.createDocumentationVariantWithArtifact(java.lang.String, java.lang.String, java.lang.String, java.util.Set, java.lang.String, java.lang.Object, org.gradle.api.internal.project.ProjectInternal)> calls method <org.gradle.api.internal.artifacts.configurations.RoleBasedCon...

                }
            });
        }
    }

    public static Configuration createDocumentationVariantWithArtifact(
        String variantName,
        @Nullable String featureName,
        String docsType,
        Set<Capability> capabilities,
        String jarTaskName,
        Object artifactSource,