azaptree-command-service/src/main/java/com/azaptree/services/command/impl/CommandContextValidatorSupport.java
@Override
	public void validateInput(final Command command, final Context ctx) throws ValidationException {
		checkRequiredInputKeys(command, ctx);
		checkInput(command, ctx);
	}
@Override
	public void validateInput(final Command command, final Context ctx) throws ValidationException {
		checkRequiredInputKeys(command, ctx);
		checkInput(command, ctx);
	}
Checks required input keys, and then delegates to checkInput();