code: public boolean isRaw() {
          if (this.typeParameters.length == 0) {
              return true;
          }
          for (int i = 0, n = this.typeParameters.length; i < n; i++) {
              if (!this.typeParameters[i].equals(WildcardTypeParameter.UNKNOWN)) {
                  return false;
              }
          }
          return true;
      }
docs: <p>
  Returns whether this type would be considered "raw". A type is raw if the result
  of calling {@link #getRawEquivalent()} on it is the type itself.
  </p>
  
  @return whether the type is raw or not