TaskProvider<GenerateApiMapping> apiMapping = tasks.register("apiMapping", GenerateApiMapping.class, task -> {
            task.getMetaDataFile().convention(extension.getDslReference().getGeneratedMetaDataFile());
            task.getMappingDestFile().convention(generatedDirectory.map(dir -> dir.file("api-mapping.txt")));
            task.getExcludedPackages().convention(excludedPackages);
        });

            // DSL reference goes into dsl/
            task.from(extension.getDslReference().getRenderedDocumentation(), sub -> sub.into("dsl"));

            // Javadocs reference goes into javadoc/
            task.from(extension.getJavadocs().getRenderedDocumentation(), sub -> sub.into("javadoc"));