@CliAvailabilityIndicator({COMPOSE_MODULE, LIST_MODULES, MODULE_INFO, DELETE_MODULE, UPLOAD_MODULE})
	public boolean available() {
		return xdShell.getSpringXDOperations() != null;
	}
Commands for working with modules. Allows retrieval of information about available modules, as well as creating new
composed modules.

@author Glenn Renfro
@author Eric Bottard
@author Florent Biville
@author David Turanski
spring-xd-shell/src/main/java/org/springframework/xd/shell/command/ModuleCommands.java