code: protected boolean isGetterMethod(MethodDoc methodDoc) {
  		if (methodDoc.parameters() != null && methodDoc.parameters().length == 0
  				&& (!"boolean".equalsIgnoreCase(methodDoc.returnType().qualifiedTypeName())
  						&& methodDoc.name().matches("^get.+"))
  				|| (("boolean".equalsIgnoreCase(methodDoc.returnType().qualifiedTypeName())
  						&& methodDoc.name().matches("^is.+")))) {
  			return true;
  		}
  		return false;
  	}
docs: /*
  is the method a getter method of a field.