code: public boolean hasParameterAnnotation(final String annotationName) {
          for (final MethodParameterInfo methodParameterInfo : getParameterInfo()) {
              if (methodParameterInfo.hasAnnotation(annotationName)) {
                  return true;
              }
          }
          return false;
      }
docs: Check if this method has a parameter with the named annotation.
  
  @param annotationName
  The name of a method parameter annotation.
  @return true if this method has a parameter with the named annotation.