generatedJavadocDirectory.set(layout.getBuildDirectory().dir("javadoc"));
            task.getOutputs().dir(generatedJavadocDirectory);
            task.getExtensions().getExtraProperties().set("destinationDirectory", generatedJavadocDirectory);
            // TODO: This breaks the provider
            task.setDestinationDir(generatedJavadocDirectory.get().getAsFile());
        });

            flattenedAsciidocDirectory.set(extension.getUserManual().getStagingRoot().dir("raw"));
            task.getOutputs().dir(flattenedAsciidocDirectory);
            task.getExtensions().getExtraProperties().set("destinationDirectory", flattenedAsciidocDirectory);
            task.into(flattenedAsciidocDirectory);
        });