public void add(ModuleOption option) {
		if (option.getDefaultValue() != null) {
			validateByType(option, option.getDefaultValue().toString());
		}
		options.put(option.getName(), option);
	}
An implementation of {@link ModuleOptionsMetadata} that only knows how to list options and does not support advanced
facilities such as derived options, profile activation or validation.

@author Eric Bottard
@author David Turanski
spring-xd-module/src/main/java/org/springframework/xd/module/options/SimpleModuleOptionsMetadata.java