Set<LanguageSourceSet> additionalSourceSets = collectAdditionalSourceSets(sourceSets);
        outputCollection(additionalSourceSets, "Additional source sets", sourceSetRenderer, "source sets");
    }

   public void renderBinaries(Collection<BinarySpec> binaries) {
        Set<BinarySpec> additionalBinaries = collectAdditionalBinaries(binaries);
        outputCollection(additionalBinaries, "Additional binaries", binaryRenderer, "binaries");
    }

        when:
        renderer.startProject(project)
        renderer.renderComponents([component])
        renderer.renderBinaries([binary2])
        renderer.completeProject(project)
        renderer.complete()

        then:
        output.value.contains("""{header}Additional binaries
-------------------{normal}
<binary>
""")

            renderer.renderSourceSets(sourceSets);
        }
        BinaryContainer binaries = modelElement("binaries", BinaryContainer.class);
        if (binaries != null) {
            renderer.renderBinaries(binaries.values());
        }

        renderer.completeProject(projectDetails);
        renderer.complete();
    }

    private <T> T modelElement(String path, Class<T> clazz) {