public void unregister(String name) {
		Preconditions.checkArgument(name != null && !name.isEmpty(), "Parameter 'name' must not be [" + name + "]");
		commands.remove(name);
	}
public void unregister(String name) {
		Preconditions.checkArgument(name != null && !name.isEmpty(), "Parameter 'name' must not be [" + name + "]");
		commands.remove(name);
	}
public void unregister ( String name ) { Preconditions . checkArgument ( name != null && ! name . isEmpty ( ) , "Parameter 'name' must not be [" + name + "]" ) ; commands . remove ( name ) ; }
Unregisters the command corresponding to the specified name from the shell.

@param name Name of command.
Unregisters the command corresponding to the specified name from the shell .