@SuppressWarnings("unchecked")
  Method getReadMethod(Class targetType, String methodName) {
    try {
      return targetType.getMethod(methodName, (Class[]) null);
    } catch (NoSuchMethodException e) {
      updateClassToMethodsMap(targetType.getCanonicalName(), _name);
      return null;
    }
  }
Validate whether this attribute <i>can</i> be evaluated for target type
geode-core/src/main/java/org/apache/geode/cache/query/internal/AttributeDescriptor.java