code: public static ModelNode createReadAttributeRequest(boolean runtime, String attributeName, Address address) {
          final ModelNode op = createRequest(READ_ATTRIBUTE, address);
          op.get("include-runtime").set(runtime);
          op.get(NAME).set(attributeName);
          return op;
      }
docs: Convienence method that allows you to create request that reads a single attribute
  value to a resource.
  
  @param runtime if <code>true</code>, the attribute is a runtime attribute
  @param attributeName the name of the attribute whose value is to be read
  @param address identifies the resource
  @return the request