public void addDescriptor(ModuleDescriptor descriptor) {
			if (success == null) {
				success = new ArrayList<>();
			}
			success.add(descriptor);
		}
The result of parsing a single line of the input document.

<p>At most one of {@code errors} or {@code success} is non-null.</p>

@author Eric Bottard
spring-xd-rest-domain/src/main/java/org/springframework/xd/rest/domain/DocumentParseResultResource.java