code: @Pointcut(value = "initialization(se.jguru.nazgul.tools.validation.api.Validatable+.new(..)) && if()",
              argNames = "joinPoint")
      public static boolean anyNonDefaultConstructor(final JoinPoint joinPoint) {
  
          // Extract the JoinPoint signature.
          final Signature signature = joinPoint.getSignature();
          final boolean isConstructorSignature = signature instanceof ConstructorSignature;
  
          if (isConstructorSignature) {
  
              final Constructor constructor = ((ConstructorSignature) signature).getConstructor();
              final boolean isNonDefaultConstructor = constructor != null && constructor.getParameters().length > 0;
  
              log.trace("Non-Default Constructor signature [" + signature.toString() + "] for ["
                      + (constructor == null ? "<null>" : constructor.toString()) + "]: " + isNonDefaultConstructor);
  
              // All Done.
              return isNonDefaultConstructor;
  
          } else {
              log.debug("Found non-constructor signature: " + signature);
          }
  
          // Nopes.
          return false;
      }
docs: Defines a Pointcut for any constructor to a class implementing Validatable.
  The Pointcut will return {@code true} for all non-default Constructors, i.e. when the signature
  of the JoinPoint has more than 0 arguments.
  
  @param joinPoint The currently executing joinPoint.